diff --git a/lib/document.js b/lib/document.js
index 234e32f18d4..fcfb6026ec6 100644
--- a/lib/document.js
+++ b/lib/document.js
@@ -2756,47 +2756,7 @@ function _getPathsToValidate(doc, pathsToValidate, pathsToSkip) {
 
   // gh-661: if a whole array is modified, make sure to run validation on all
   // the children as well
-  for (const path of paths) {
-    const _pathType = doc.$__schema.path(path);
-    if (!_pathType) {
-      continue;
-    }
-
-    if (!_pathType.$isMongooseArray ||
-        // To avoid potential performance issues, skip doc arrays whose children
-        // are not required. `getPositionalPathType()` may be slow, so avoid
-        // it unless we have a case of #6364
-        (!Array.isArray(_pathType) &&
-          _pathType.$isMongooseDocumentArray &&
-          !(_pathType && _pathType.schemaOptions && _pathType.schemaOptions.required))) {
-      continue;
-    }
-
-    // gh-11380: optimization. If the array isn't a document array and there's no validators
-    // on the array type, there's no need to run validation on the individual array elements.
-    if (_pathType.$isMongooseArray &&
-        !_pathType.$isMongooseDocumentArray && // Skip document arrays...
-        !_pathType.$embeddedSchemaType.$isMongooseArray && // and arrays of arrays
-        _pathType.$embeddedSchemaType.validators.length === 0) {
-      continue;
-    }
-
-    const val = doc.$__getValue(path);
-    _pushNestedArrayPaths(val, paths, path);
-  }
-
-  function _pushNestedArrayPaths(val, paths, path) {
-    if (val != null) {
-      const numElements = val.length;
-      for (let j = 0; j < numElements; ++j) {
-        if (Array.isArray(val[j])) {
-          _pushNestedArrayPaths(val[j], paths, path + '.' + j);
-        } else {
-          paths.add(path + '.' + j);
-        }
-      }
-    }
-  }
+  _addArrayPathsToValidate(doc, paths);
 
   const flattenOptions = { skipArrays: true };
   for (const pathToCheck of paths) {
@@ -2841,12 +2801,55 @@ function _getPathsToValidate(doc, pathsToValidate, pathsToSkip) {
   return [paths, doValidateOptions];
 }
 
+function _addArrayPathsToValidate(doc, paths) {
+  for (const path of paths) {
+    const _pathType = doc.$__schema.path(path);
+    if (!_pathType) {
+      continue;
+    }
+
+    if (!_pathType.$isMongooseArray ||
+        // To avoid potential performance issues, skip doc arrays whose children
+        // are not required. `getPositionalPathType()` may be slow, so avoid
+        // it unless we have a case of #6364
+        (!Array.isArray(_pathType) &&
+          _pathType.$isMongooseDocumentArray &&
+          !(_pathType && _pathType.schemaOptions && _pathType.schemaOptions.required))) {
+      continue;
+    }
+
+    // gh-11380: optimization. If the array isn't a document array and there's no validators
+    // on the array type, there's no need to run validation on the individual array elements.
+    if (_pathType.$isMongooseArray &&
+        !_pathType.$isMongooseDocumentArray && // Skip document arrays...
+        !_pathType.$embeddedSchemaType.$isMongooseArray && // and arrays of arrays
+        _pathType.$embeddedSchemaType.validators.length === 0) {
+      continue;
+    }
+
+    const val = doc.$__getValue(path);
+    _pushNestedArrayPaths(val, paths, path);
+  }
+}
+
+function _pushNestedArrayPaths(val, paths, path) {
+  if (val != null) {
+    const numElements = val.length;
+    for (let j = 0; j < numElements; ++j) {
+      if (Array.isArray(val[j])) {
+        _pushNestedArrayPaths(val[j], paths, path + '.' + j);
+      } else {
+        paths.add(path + '.' + j);
+      }
+    }
+  }
+}
+
 /*!
  * ignore
  */
 
 Document.prototype.$__validate = function(pathsToValidate, options, callback) {
-
   if (this.$__.saveOptions && this.$__.saveOptions.pathsToSave && !pathsToValidate) {
     pathsToValidate = [...this.$__.saveOptions.pathsToSave];
   } else if (typeof pathsToValidate === 'function') {
@@ -2871,6 +2874,19 @@ Document.prototype.$__validate = function(pathsToValidate, options, callback) {
     shouldValidateModifiedOnly = this.$__schema.options.validateModifiedOnly;
   }
 
+  const validateAllPaths = options && options.validateAllPaths;
+  if (validateAllPaths) {
+    if (pathsToSkip) {
+      throw new TypeError('Cannot set both `validateAllPaths` and `pathsToSkip`');
+    }
+    if (pathsToValidate) {
+      throw new TypeError('Cannot set both `validateAllPaths` and `pathsToValidate`');
+    }
+    if (hasValidateModifiedOnlyOption && shouldValidateModifiedOnly) {
+      throw new TypeError('Cannot set both `validateAllPaths` and `validateModifiedOnly`');
+    }
+  }
+
   const _this = this;
   const _complete = () => {
     let validationError = this.$__.validationError;
@@ -2908,11 +2924,33 @@ Document.prototype.$__validate = function(pathsToValidate, options, callback) {
   };
 
   // only validate required fields when necessary
-  const pathDetails = _getPathsToValidate(this, pathsToValidate, pathsToSkip);
-  const paths = shouldValidateModifiedOnly ?
-    pathDetails[0].filter((path) => this.$isModified(path)) :
-    pathDetails[0];
-  const doValidateOptionsByPath = pathDetails[1];
+  let paths;
+  let doValidateOptionsByPath;
+  if (validateAllPaths) {
+    paths = new Set(Object.keys(this.$__schema.paths));
+    // gh-661: if a whole array is modified, make sure to run validation on all
+    // the children as well
+    for (const path of paths) {
+      const schemaType = this.$__schema.path(path);
+      if (!schemaType || !schemaType.$isMongooseArray) {
+        continue;
+      }
+      const val = this.$__getValue(path);
+      if (!val) {
+        continue;
+      }
+      _pushNestedArrayPaths(val, paths, path);
+    }
+    paths = [...paths];
+    doValidateOptionsByPath = {};
+  } else {
+    const pathDetails = _getPathsToValidate(this, pathsToValidate, pathsToSkip);
+    paths = shouldValidateModifiedOnly ?
+      pathDetails[0].filter((path) => this.$isModified(path)) :
+      pathDetails[0];
+    doValidateOptionsByPath = pathDetails[1];
+  }
+
   if (typeof pathsToValidate === 'string') {
     pathsToValidate = pathsToValidate.split(' ');
   }
@@ -2993,7 +3031,8 @@ Document.prototype.$__validate = function(pathsToValidate, options, callback) {
       const doValidateOptions = {
         ...doValidateOptionsByPath[path],
         path: path,
-        validateModifiedOnly: shouldValidateModifiedOnly
+        validateModifiedOnly: shouldValidateModifiedOnly,
+        validateAllPaths
       };
 
       schemaType.doValidate(val, function(err) {
@@ -3111,6 +3150,16 @@ Document.prototype.validateSync = function(pathsToValidate, options) {
 
   let pathsToSkip = options && options.pathsToSkip;
 
+  const validateAllPaths = options && options.validateAllPaths;
+  if (validateAllPaths) {
+    if (pathsToSkip) {
+      throw new TypeError('Cannot set both `validateAllPaths` and `pathsToSkip`');
+    }
+    if (pathsToValidate) {
+      throw new TypeError('Cannot set both `validateAllPaths` and `pathsToValidate`');
+    }
+  }
+
   if (typeof pathsToValidate === 'string') {
     const isOnePathOnly = pathsToValidate.indexOf(' ') === -1;
     pathsToValidate = isOnePathOnly ? [pathsToValidate] : pathsToValidate.split(' ');
@@ -3119,11 +3168,32 @@ Document.prototype.validateSync = function(pathsToValidate, options) {
   }
 
   // only validate required fields when necessary
-  const pathDetails = _getPathsToValidate(this, pathsToValidate, pathsToSkip);
-  const paths = shouldValidateModifiedOnly ?
-    pathDetails[0].filter((path) => this.$isModified(path)) :
-    pathDetails[0];
-  const skipSchemaValidators = pathDetails[1];
+  let paths;
+  let skipSchemaValidators;
+  if (validateAllPaths) {
+    paths = new Set(Object.keys(this.$__schema.paths));
+    // gh-661: if a whole array is modified, make sure to run validation on all
+    // the children as well
+    for (const path of paths) {
+      const schemaType = this.$__schema.path(path);
+      if (!schemaType || !schemaType.$isMongooseArray) {
+        continue;
+      }
+      const val = this.$__getValue(path);
+      if (!val) {
+        continue;
+      }
+      _pushNestedArrayPaths(val, paths, path);
+    }
+    paths = [...paths];
+    skipSchemaValidators = {};
+  } else {
+    const pathDetails = _getPathsToValidate(this, pathsToValidate, pathsToSkip);
+    paths = shouldValidateModifiedOnly ?
+      pathDetails[0].filter((path) => this.$isModified(path)) :
+      pathDetails[0];
+    skipSchemaValidators = pathDetails[1];
+  }
 
   const validating = {};
 
@@ -3148,7 +3218,8 @@ Document.prototype.validateSync = function(pathsToValidate, options) {
     const err = p.doValidateSync(val, _this, {
       skipSchemaValidators: skipSchemaValidators[path],
       path: path,
-      validateModifiedOnly: shouldValidateModifiedOnly
+      validateModifiedOnly: shouldValidateModifiedOnly,
+      validateAllPaths
     });
     if (err) {
       const isSubdoc = p.$isSingleNested ||
diff --git a/lib/schema/documentArray.js b/lib/schema/documentArray.js
index 5e5a9b4b592..50ae0e12a6b 100644
--- a/lib/schema/documentArray.js
+++ b/lib/schema/documentArray.js
@@ -279,7 +279,7 @@ SchemaDocumentArray.prototype.doValidate = function(array, fn, scope, options) {
         continue;
       }
 
-      doc.$__validate(callback);
+      doc.$__validate(null, options, callback);
     }
   }
 };
@@ -330,7 +330,7 @@ SchemaDocumentArray.prototype.doValidateSync = function(array, scope, options) {
       continue;
     }
 
-    const subdocValidateError = doc.validateSync();
+    const subdocValidateError = doc.validateSync(options);
 
     if (subdocValidateError && resultError == null) {
       resultError = subdocValidateError;
diff --git a/test/document.test.js b/test/document.test.js
index 73361a49574..f5d1a0b1fc6 100644
--- a/test/document.test.js
+++ b/test/document.test.js
@@ -13087,6 +13087,124 @@ describe('document', function() {
     const savedDoc = await MainModel.findById(doc.id).orFail();
     assert.strictEqual(savedDoc.sub, null);
   });
+
+  it('validate supports validateAllPaths', async function() {
+    const schema = new mongoose.Schema({
+      name: {
+        type: String,
+        validate: v => !!v
+      },
+      age: {
+        type: Number,
+        validate: v => v == null || v < 200
+      },
+      subdoc: {
+        type: new Schema({
+          url: String
+        }, { _id: false }),
+        validate: v => v == null || v.url.length > 0
+      },
+      docArr: [{
+        subprop: {
+          type: String,
+          validate: v => v == null || v.length > 0
+        }
+      }]
+    });
+
+    const TestModel = db.model('Test', schema);
+
+    const doc = await TestModel.create({});
+    doc.name = '';
+    doc.age = 201;
+    doc.subdoc = { url: '' };
+    doc.docArr = [{ subprop: '' }];
+    await doc.save({ validateBeforeSave: false });
+    await doc.validate();
+
+    const err = await doc.validate({ validateAllPaths: true }).then(() => null, err => err);
+    assert.ok(err);
+    assert.equal(err.name, 'ValidationError');
+    assert.ok(err.errors['name']);
+    assert.ok(
+      err.errors['name'].message.includes('Validator failed for path `name` with value ``'),
+      err.errors['name'].message
+    );
+    assert.ok(err.errors['age']);
+    assert.ok(
+      err.errors['age'].message.includes('Validator failed for path `age` with value `201`'),
+      err.errors['age'].message
+    );
+    assert.ok(err.errors['subdoc']);
+    assert.ok(
+      err.errors['subdoc'].message.includes('Validator failed for path `subdoc` with value `{ url: \'\' }`'),
+      err.errors['subdoc'].message
+    );
+    assert.ok(err.errors['docArr.0.subprop']);
+    assert.ok(
+      err.errors['docArr.0.subprop'].message.includes('Validator failed for path `subprop` with value ``'),
+      err.errors['docArr.0.subprop'].message
+    );
+  });
+
+  it('validateSync() supports validateAllPaths', async function() {
+    const schema = new mongoose.Schema({
+      name: {
+        type: String,
+        validate: v => !!v
+      },
+      age: {
+        type: Number,
+        validate: v => v == null || v < 200
+      },
+      subdoc: {
+        type: new Schema({
+          url: String
+        }, { _id: false }),
+        validate: v => v == null || v.url.length > 0
+      },
+      docArr: [{
+        subprop: {
+          type: String,
+          validate: v => v == null || v.length > 0
+        }
+      }]
+    });
+
+    const TestModel = db.model('Test', schema);
+
+    const doc = await TestModel.create({});
+    doc.name = '';
+    doc.age = 201;
+    doc.subdoc = { url: '' };
+    doc.docArr = [{ subprop: '' }];
+    await doc.save({ validateBeforeSave: false });
+    await doc.validate();
+
+    const err = await doc.validateSync({ validateAllPaths: true });
+    assert.ok(err);
+    assert.equal(err.name, 'ValidationError');
+    assert.ok(err.errors['name']);
+    assert.ok(
+      err.errors['name'].message.includes('Validator failed for path `name` with value ``'),
+      err.errors['name'].message
+    );
+    assert.ok(err.errors['age']);
+    assert.ok(
+      err.errors['age'].message.includes('Validator failed for path `age` with value `201`'),
+      err.errors['age'].message
+    );
+    assert.ok(err.errors['subdoc']);
+    assert.ok(
+      err.errors['subdoc'].message.includes('Validator failed for path `subdoc` with value `{ url: \'\' }`'),
+      err.errors['subdoc'].message
+    );
+    assert.ok(err.errors['docArr.0.subprop']);
+    assert.ok(
+      err.errors['docArr.0.subprop'].message.includes('Validator failed for path `subprop` with value ``'),
+      err.errors['docArr.0.subprop'].message
+    );
+  });
 });
 
 describe('Check if instance function that is supplied in schema option is availabe', function() {