diff --git a/sql/core/src/main/scala/org/apache/spark/sql/SparkSessionExtensions.scala b/sql/core/src/main/scala/org/apache/spark/sql/SparkSessionExtensions.scala
index 6952f4bfd056..d5d969032a5e 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/SparkSessionExtensions.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/SparkSessionExtensions.scala
@@ -40,6 +40,7 @@ import org.apache.spark.sql.execution.{ColumnarRule, SparkPlan}
  * <li>Analyzer Rules.</li>
  * <li>Check Analysis Rules.</li>
  * <li>Optimizer Rules.</li>
+ * <li>Data Source Rewrite Rules.</li>
  * <li>Planning Strategies.</li>
  * <li>Customized Parser.</li>
  * <li>(External) Catalog listeners.</li>
@@ -199,6 +200,21 @@ class SparkSessionExtensions {
     optimizerRules += builder
   }
 
+  private[this] val dataSourceRewriteRules = mutable.Buffer.empty[RuleBuilder]
+
+  private[sql] def buildDataSourceRewriteRules(session: SparkSession): Seq[Rule[LogicalPlan]] = {
+    dataSourceRewriteRules.map(_.apply(session)).toSeq
+  }
+
+  /**
+   * Inject an optimizer `Rule` builder that rewrites data source plans into the [[SparkSession]].
+   * The injected rules will be executed after the operator optimization batch and before rules
+   * that depend on stats.
+   */
+  def injectDataSourceRewriteRule(builder: RuleBuilder): Unit = {
+    dataSourceRewriteRules += builder
+  }
+
   private[this] val plannerStrategyBuilders = mutable.Buffer.empty[StrategyBuilder]
 
   private[sql] def buildPlannerStrategies(session: SparkSession): Seq[Strategy] = {
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/internal/BaseSessionStateBuilder.scala b/sql/core/src/main/scala/org/apache/spark/sql/internal/BaseSessionStateBuilder.scala
index 8101f9e291b4..f51ee11091d0 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/internal/BaseSessionStateBuilder.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/internal/BaseSessionStateBuilder.scala
@@ -273,7 +273,9 @@ abstract class BaseSessionStateBuilder(
    *
    * Note that this may NOT depend on the `optimizer` function.
    */
-  protected def customDataSourceRewriteRules: Seq[Rule[LogicalPlan]] = Nil
+  protected def customDataSourceRewriteRules: Seq[Rule[LogicalPlan]] = {
+    extensions.buildDataSourceRewriteRules(session)
+  }
 
   /**
    * Planner that converts optimized logical plans to physical plans.
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/SparkSessionExtensionSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/SparkSessionExtensionSuite.scala
index 12abd31b99e9..37bb7a5450ae 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/SparkSessionExtensionSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/SparkSessionExtensionSuite.scala
@@ -88,6 +88,12 @@ class SparkSessionExtensionSuite extends SparkFunSuite {
     }
   }
 
+  test("SPARK-33621: inject data source rewrite rule") {
+    withSession(Seq(_.injectDataSourceRewriteRule(MyRule))) { session =>
+      assert(session.sessionState.optimizer.dataSourceRewriteRules.contains(MyRule(session)))
+    }
+  }
+
   test("inject spark planner strategy") {
     withSession(Seq(_.injectPlannerStrategy(MySparkStrategy))) { session =>
       assert(session.sessionState.planner.strategies.contains(MySparkStrategy(session)))