diff --git a/src/main/java/jenkins/branch/BranchNameContributor.java b/src/main/java/jenkins/branch/BranchNameContributor.java
index b287e4c5..c9abb754 100644
--- a/src/main/java/jenkins/branch/BranchNameContributor.java
+++ b/src/main/java/jenkins/branch/BranchNameContributor.java
@@ -61,6 +61,7 @@ public void buildEnvironmentFor(Job j, EnvVars envs, TaskListener listener) thro
                 SCMHead head = branch.getHead();
                 // Note: not using Branch.name, since in the future that could be something different
                 // than SCMHead.name, which is what we really want here.
+                envs.put("FOLDER_NAME", parent.getFullName());
                 envs.put("BRANCH_NAME", head.getName());
                 if (branch.getAction(PrimaryInstanceMetadataAction.class) != null) {
                     envs.put("BRANCH_IS_PRIMARY", "true");
diff --git a/src/main/resources/jenkins/branch/BranchNameContributor/buildEnv.jelly b/src/main/resources/jenkins/branch/BranchNameContributor/buildEnv.jelly
index af21a5c2..cd72b053 100644
--- a/src/main/resources/jenkins/branch/BranchNameContributor/buildEnv.jelly
+++ b/src/main/resources/jenkins/branch/BranchNameContributor/buildEnv.jelly
@@ -70,4 +70,7 @@ THE SOFTWARE.
     <t:buildEnvVar name="TAG_DATE">
         <j:out value="${%blurb.TAG_DATE}"/>
     </t:buildEnvVar>
+    <t:buildEnvVar name="FOLDER_NAME">
+        <j:out value="${%blurb.FOLDER_NAME}"/>
+    </t:buildEnvVar>
 </j:jelly>
diff --git a/src/main/resources/jenkins/branch/BranchNameContributor/buildEnv.properties b/src/main/resources/jenkins/branch/BranchNameContributor/buildEnv.properties
index 4c3cc6ff..84fdd090 100644
--- a/src/main/resources/jenkins/branch/BranchNameContributor/buildEnv.properties
+++ b/src/main/resources/jenkins/branch/BranchNameContributor/buildEnv.properties
@@ -35,3 +35,4 @@ blurb.TAG_NAME=For a multibranch project corresponding to some kind of tag, this
 blurb.TAG_TIMESTAMP=For a multibranch project corresponding to some kind of tag, this will be set to a timestamp of the tag in milliseconds since Unix epoch, if supported; else unset.
 blurb.TAG_UNIXTIME=For a multibranch project corresponding to some kind of tag, this will be set to a timestamp of the tag in seconds since Unix epoch, if supported; else unset.
 blurb.TAG_DATE=For a multibranch project corresponding to some kind of tag, this will be set to a timestamp in the format as defined by <a href="https://docs.oracle.com/javase/7/docs/api/java/util/Date.html#toString()" target="_blank">java.util.Date#toString()</a> (e.g., Wed Jan 1 00:00:00 UTC 2020), if supported; else unset.
+blurb.FOLDER_NAME=For a multibranch project, this will be set to the name of the multibranch project.
diff --git a/src/test/java/integration/EnvironmentTest.java b/src/test/java/integration/EnvironmentTest.java
index a8b536b8..af22d6c6 100644
--- a/src/test/java/integration/EnvironmentTest.java
+++ b/src/test/java/integration/EnvironmentTest.java
@@ -79,6 +79,7 @@ public void given_multibranch_when_buildingABranch_then_environmentContainsBranc
             prj.scheduleBuild2(0).getFuture().get();
             r.waitUntilNoActivity();
             assertThat(r.getLog(prj.getItem("master").getBuildByNumber(1)), containsString("BRANCH_NAME=master"));
+            assertThat(r.getLog(prj.getItem("master").getBuildByNumber(1)), containsString("FOLDER_NAME=foo"));
         }
     }
 
diff --git a/src/test/java/jenkins/branch/BranchNameContributorTest.java b/src/test/java/jenkins/branch/BranchNameContributorTest.java
index 5870927d..216f07ff 100644
--- a/src/test/java/jenkins/branch/BranchNameContributorTest.java
+++ b/src/test/java/jenkins/branch/BranchNameContributorTest.java
@@ -99,13 +99,14 @@ public void buildEnvironmentFor() throws Exception {
             assertThat("We now have the primary branch", primaryBranch, notNullValue());
             EnvVars env = new EnvVars();
             instance.buildEnvironmentFor(master, env, new LogTaskListener(LOGGER, Level.FINE));
-            assertThat(env.keySet(), contains(is("BRANCH_NAME")));
+            assertThat(env.keySet(), contains(is("BRANCH_NAME"), is("FOLDER_NAME")));
             assertThat(env.get("BRANCH_NAME"), is("master"));
             assertThat(env.keySet(), not(contains(is("BRANCH_IS_PRIMARY"))));
 
             env = new EnvVars();
             instance.buildEnvironmentFor(cr1, env, new LogTaskListener(LOGGER, Level.FINE));
             assertThat(env.keySet(), containsInAnyOrder(
+                    is("FOLDER_NAME"),
                     is("BRANCH_NAME"),
                     is("CHANGE_ID"),
                     is("CHANGE_TARGET"),
@@ -130,6 +131,7 @@ public void buildEnvironmentFor() throws Exception {
             env = new EnvVars();
             instance.buildEnvironmentFor(cr2, env, new LogTaskListener(LOGGER, Level.FINE));
             assertThat(env.keySet(), containsInAnyOrder(
+                    is("FOLDER_NAME"),
                     is("BRANCH_NAME"),
                     is("CHANGE_ID"),
                     is("CHANGE_TARGET"),
@@ -156,6 +158,7 @@ public void buildEnvironmentFor() throws Exception {
             env = new EnvVars();
             instance.buildEnvironmentFor(tag, env, new LogTaskListener(LOGGER, Level.FINE));
             assertThat(env.keySet(), containsInAnyOrder(
+                    is("FOLDER_NAME"),
                     is("BRANCH_NAME"),
                     is("TAG_NAME"),
                     is("TAG_TIMESTAMP"),
@@ -172,6 +175,7 @@ public void buildEnvironmentFor() throws Exception {
             env = new EnvVars();
             instance.buildEnvironmentFor(primaryBranch, env, new LogTaskListener(LOGGER, Level.FINE));
             assertThat(env.keySet(), containsInAnyOrder(
+                    is("FOLDER_NAME"),
                     is("BRANCH_NAME"),
                     is("BRANCH_IS_PRIMARY")
             ));