diff --git a/backends-clickhouse/src/main/scala/org/apache/gluten/utils/CHExpressionUtil.scala b/backends-clickhouse/src/main/scala/org/apache/gluten/utils/CHExpressionUtil.scala
index e5bee2dc202..b84628087cf 100644
--- a/backends-clickhouse/src/main/scala/org/apache/gluten/utils/CHExpressionUtil.scala
+++ b/backends-clickhouse/src/main/scala/org/apache/gluten/utils/CHExpressionUtil.scala
@@ -200,6 +200,7 @@ object CHExpressionUtil {
     REGR_INTERCEPT -> DefaultValidator(),
     REGR_SXY -> DefaultValidator(),
     BITMAP_CONSTRUCT_AGG -> DefaultValidator(),
+    BITMAP_OR_AGG -> DefaultValidator(),
     TO_UTC_TIMESTAMP -> UtcTimestampValidator(),
     FROM_UTC_TIMESTAMP -> UtcTimestampValidator(),
     STACK -> DefaultValidator(),
diff --git a/cpp/velox/substrait/SubstraitToVeloxPlanValidator.cc b/cpp/velox/substrait/SubstraitToVeloxPlanValidator.cc
index 767af98c760..3548038226e 100644
--- a/cpp/velox/substrait/SubstraitToVeloxPlanValidator.cc
+++ b/cpp/velox/substrait/SubstraitToVeloxPlanValidator.cc
@@ -1328,7 +1328,8 @@ bool SubstraitToVeloxPlanValidator::validate(const ::substrait::AggregateRel& ag
       "regr_sxy",
       "regr_replacement",
       "bitmap_construct_agg",
-      "bitmapaggregator"};
+      "bitmapaggregator",
+      "bitmap_or_agg"};
 
   auto udafFuncs = UdfLoader::getInstance()->getRegisteredUdafNames();
 
diff --git a/gluten-ut/spark35/src/test/scala/org/apache/gluten/utils/clickhouse/ClickHouseTestSettings.scala b/gluten-ut/spark35/src/test/scala/org/apache/gluten/utils/clickhouse/ClickHouseTestSettings.scala
index 3c48f1205b0..cffd433c4c8 100644
--- a/gluten-ut/spark35/src/test/scala/org/apache/gluten/utils/clickhouse/ClickHouseTestSettings.scala
+++ b/gluten-ut/spark35/src/test/scala/org/apache/gluten/utils/clickhouse/ClickHouseTestSettings.scala
@@ -90,8 +90,9 @@ class ClickHouseTestSettings extends BackendTestSettings {
     // Exception.
     .exclude("column pruning - non-readable file")
   enableSuite[GlutenBitmapExpressionsQuerySuite]
-    // bitmap_construct_agg is not supported natively in CH backend.
+    // bitmap_construct_agg and bitmap_or_agg are not supported natively in CH backend.
     .excludeCH("bitmap_construct_agg routes to native")
+    .excludeCH("bitmap_or_agg routes to native")
   enableSuite[GlutenBitwiseExpressionsSuite]
   enableSuite[GlutenBloomFilterAggregateQuerySuite]
     .excludeCH("Test bloom_filter_agg and might_contain")
diff --git a/gluten-ut/spark35/src/test/scala/org/apache/spark/sql/GlutenBitmapExpressionsQuerySuite.scala b/gluten-ut/spark35/src/test/scala/org/apache/spark/sql/GlutenBitmapExpressionsQuerySuite.scala
index 97072bfeff7..816ba0b35dd 100644
--- a/gluten-ut/spark35/src/test/scala/org/apache/spark/sql/GlutenBitmapExpressionsQuerySuite.scala
+++ b/gluten-ut/spark35/src/test/scala/org/apache/spark/sql/GlutenBitmapExpressionsQuerySuite.scala
@@ -18,6 +18,7 @@ package org.apache.spark.sql
 
 import org.apache.gluten.execution.HashAggregateExecBaseTransformer
 
+import org.apache.spark.sql.catalyst.expressions.BitmapOrAgg
 import org.apache.spark.sql.execution.adaptive.AdaptiveSparkPlanHelper
 
 class GlutenBitmapExpressionsQuerySuite
@@ -37,4 +38,23 @@ class GlutenBitmapExpressionsQuerySuite
       "Expected native HashAggregateExecBaseTransformer in plan"
     )
   }
+
+  test("bitmap_or_agg routes to native") {
+    val df = spark.sql(
+      "SELECT bitmap_or_agg(bm) FROM (" +
+        "SELECT bitmap_construct_agg(bitmap_bit_position(col)) AS bm " +
+        "FROM values (1L), (2L), (3L) AS t(col)" +
+        ") sub")
+    df.collect()
+    val nativeBitmapOrAggs = collectWithSubqueries(df.queryExecution.executedPlan) {
+      case h: HashAggregateExecBaseTransformer
+          if h.aggregateExpressions.exists(
+            _.aggregateFunction.isInstanceOf[BitmapOrAgg]) =>
+        h
+    }
+    assert(
+      nativeBitmapOrAggs.nonEmpty,
+      "Expected native HashAggregateExecBaseTransformer with bitmap_or_agg in plan"
+    )
+  }
 }
diff --git a/gluten-ut/spark40/src/test/scala/org/apache/gluten/utils/clickhouse/ClickHouseTestSettings.scala b/gluten-ut/spark40/src/test/scala/org/apache/gluten/utils/clickhouse/ClickHouseTestSettings.scala
index 9c9a4c76998..4b21f08ea76 100644
--- a/gluten-ut/spark40/src/test/scala/org/apache/gluten/utils/clickhouse/ClickHouseTestSettings.scala
+++ b/gluten-ut/spark40/src/test/scala/org/apache/gluten/utils/clickhouse/ClickHouseTestSettings.scala
@@ -89,8 +89,9 @@ class ClickHouseTestSettings extends BackendTestSettings {
     // Exception.
     .exclude("column pruning - non-readable file")
   enableSuite[GlutenBitmapExpressionsQuerySuite]
-    // bitmap_construct_agg is not supported natively in CH backend.
+    // bitmap_construct_agg and bitmap_or_agg are not supported natively in CH backend.
     .excludeCH("bitmap_construct_agg routes to native")
+    .excludeCH("bitmap_or_agg routes to native")
   enableSuite[GlutenBitwiseExpressionsSuite]
   enableSuite[GlutenBloomFilterAggregateQuerySuite]
     .excludeCH("Test bloom_filter_agg and might_contain")
diff --git a/gluten-ut/spark40/src/test/scala/org/apache/spark/sql/GlutenBitmapExpressionsQuerySuite.scala b/gluten-ut/spark40/src/test/scala/org/apache/spark/sql/GlutenBitmapExpressionsQuerySuite.scala
index 97072bfeff7..816ba0b35dd 100644
--- a/gluten-ut/spark40/src/test/scala/org/apache/spark/sql/GlutenBitmapExpressionsQuerySuite.scala
+++ b/gluten-ut/spark40/src/test/scala/org/apache/spark/sql/GlutenBitmapExpressionsQuerySuite.scala
@@ -18,6 +18,7 @@ package org.apache.spark.sql
 
 import org.apache.gluten.execution.HashAggregateExecBaseTransformer
 
+import org.apache.spark.sql.catalyst.expressions.BitmapOrAgg
 import org.apache.spark.sql.execution.adaptive.AdaptiveSparkPlanHelper
 
 class GlutenBitmapExpressionsQuerySuite
@@ -37,4 +38,23 @@ class GlutenBitmapExpressionsQuerySuite
       "Expected native HashAggregateExecBaseTransformer in plan"
     )
   }
+
+  test("bitmap_or_agg routes to native") {
+    val df = spark.sql(
+      "SELECT bitmap_or_agg(bm) FROM (" +
+        "SELECT bitmap_construct_agg(bitmap_bit_position(col)) AS bm " +
+        "FROM values (1L), (2L), (3L) AS t(col)" +
+        ") sub")
+    df.collect()
+    val nativeBitmapOrAggs = collectWithSubqueries(df.queryExecution.executedPlan) {
+      case h: HashAggregateExecBaseTransformer
+          if h.aggregateExpressions.exists(
+            _.aggregateFunction.isInstanceOf[BitmapOrAgg]) =>
+        h
+    }
+    assert(
+      nativeBitmapOrAggs.nonEmpty,
+      "Expected native HashAggregateExecBaseTransformer with bitmap_or_agg in plan"
+    )
+  }
 }
diff --git a/gluten-ut/spark41/src/test/scala/org/apache/gluten/utils/clickhouse/ClickHouseTestSettings.scala b/gluten-ut/spark41/src/test/scala/org/apache/gluten/utils/clickhouse/ClickHouseTestSettings.scala
index 9c9a4c76998..4b21f08ea76 100644
--- a/gluten-ut/spark41/src/test/scala/org/apache/gluten/utils/clickhouse/ClickHouseTestSettings.scala
+++ b/gluten-ut/spark41/src/test/scala/org/apache/gluten/utils/clickhouse/ClickHouseTestSettings.scala
@@ -89,8 +89,9 @@ class ClickHouseTestSettings extends BackendTestSettings {
     // Exception.
     .exclude("column pruning - non-readable file")
   enableSuite[GlutenBitmapExpressionsQuerySuite]
-    // bitmap_construct_agg is not supported natively in CH backend.
+    // bitmap_construct_agg and bitmap_or_agg are not supported natively in CH backend.
     .excludeCH("bitmap_construct_agg routes to native")
+    .excludeCH("bitmap_or_agg routes to native")
   enableSuite[GlutenBitwiseExpressionsSuite]
   enableSuite[GlutenBloomFilterAggregateQuerySuite]
     .excludeCH("Test bloom_filter_agg and might_contain")
diff --git a/gluten-ut/spark41/src/test/scala/org/apache/spark/sql/GlutenBitmapExpressionsQuerySuite.scala b/gluten-ut/spark41/src/test/scala/org/apache/spark/sql/GlutenBitmapExpressionsQuerySuite.scala
index 97072bfeff7..816ba0b35dd 100644
--- a/gluten-ut/spark41/src/test/scala/org/apache/spark/sql/GlutenBitmapExpressionsQuerySuite.scala
+++ b/gluten-ut/spark41/src/test/scala/org/apache/spark/sql/GlutenBitmapExpressionsQuerySuite.scala
@@ -18,6 +18,7 @@ package org.apache.spark.sql
 
 import org.apache.gluten.execution.HashAggregateExecBaseTransformer
 
+import org.apache.spark.sql.catalyst.expressions.BitmapOrAgg
 import org.apache.spark.sql.execution.adaptive.AdaptiveSparkPlanHelper
 
 class GlutenBitmapExpressionsQuerySuite
@@ -37,4 +38,23 @@ class GlutenBitmapExpressionsQuerySuite
       "Expected native HashAggregateExecBaseTransformer in plan"
     )
   }
+
+  test("bitmap_or_agg routes to native") {
+    val df = spark.sql(
+      "SELECT bitmap_or_agg(bm) FROM (" +
+        "SELECT bitmap_construct_agg(bitmap_bit_position(col)) AS bm " +
+        "FROM values (1L), (2L), (3L) AS t(col)" +
+        ") sub")
+    df.collect()
+    val nativeBitmapOrAggs = collectWithSubqueries(df.queryExecution.executedPlan) {
+      case h: HashAggregateExecBaseTransformer
+          if h.aggregateExpressions.exists(
+            _.aggregateFunction.isInstanceOf[BitmapOrAgg]) =>
+        h
+    }
+    assert(
+      nativeBitmapOrAggs.nonEmpty,
+      "Expected native HashAggregateExecBaseTransformer with bitmap_or_agg in plan"
+    )
+  }
 }
diff --git a/shims/common/src/main/scala/org/apache/gluten/expression/ExpressionNames.scala b/shims/common/src/main/scala/org/apache/gluten/expression/ExpressionNames.scala
index dd5c3a188b6..3482a083b39 100644
--- a/shims/common/src/main/scala/org/apache/gluten/expression/ExpressionNames.scala
+++ b/shims/common/src/main/scala/org/apache/gluten/expression/ExpressionNames.scala
@@ -34,6 +34,7 @@ object ExpressionNames {
   final val BLOOM_FILTER_AGG = "bloom_filter_agg"
   final val BITMAP_CONSTRUCT_AGG = "bitmap_construct_agg"
   final val BITMAP_AGGREGATOR = "bitmapaggregator"
+  final val BITMAP_OR_AGG = "bitmap_or_agg"
   final val VAR_SAMP = "var_samp"
   final val VAR_POP = "var_pop"
   final val BIT_AND_AGG = "bit_and"
diff --git a/shims/spark35/src/main/scala/org/apache/gluten/sql/shims/spark35/Spark35Shims.scala b/shims/spark35/src/main/scala/org/apache/gluten/sql/shims/spark35/Spark35Shims.scala
index 28c1bb177a8..2d97e63b023 100644
--- a/shims/spark35/src/main/scala/org/apache/gluten/sql/shims/spark35/Spark35Shims.scala
+++ b/shims/spark35/src/main/scala/org/apache/gluten/sql/shims/spark35/Spark35Shims.scala
@@ -81,7 +81,8 @@ class Spark35Shims extends SparkShims {
       Sig[RegrIntercept](ExpressionNames.REGR_INTERCEPT),
       Sig[RegrSXY](ExpressionNames.REGR_SXY),
       Sig[RegrReplacement](ExpressionNames.REGR_REPLACEMENT),
-      Sig[BitmapConstructAgg](ExpressionNames.BITMAP_CONSTRUCT_AGG)
+      Sig[BitmapConstructAgg](ExpressionNames.BITMAP_CONSTRUCT_AGG),
+      Sig[BitmapOrAgg](ExpressionNames.BITMAP_OR_AGG)
     )
   }
 
diff --git a/shims/spark40/src/main/scala/org/apache/gluten/sql/shims/spark40/Spark40Shims.scala b/shims/spark40/src/main/scala/org/apache/gluten/sql/shims/spark40/Spark40Shims.scala
index 6363be33038..b903458d349 100644
--- a/shims/spark40/src/main/scala/org/apache/gluten/sql/shims/spark40/Spark40Shims.scala
+++ b/shims/spark40/src/main/scala/org/apache/gluten/sql/shims/spark40/Spark40Shims.scala
@@ -86,7 +86,8 @@ class Spark40Shims extends SparkShims {
       Sig[RegrIntercept](ExpressionNames.REGR_INTERCEPT),
       Sig[RegrSXY](ExpressionNames.REGR_SXY),
       Sig[RegrReplacement](ExpressionNames.REGR_REPLACEMENT),
-      Sig[BitmapConstructAgg](ExpressionNames.BITMAP_CONSTRUCT_AGG)
+      Sig[BitmapConstructAgg](ExpressionNames.BITMAP_CONSTRUCT_AGG),
+      Sig[BitmapOrAgg](ExpressionNames.BITMAP_OR_AGG)
     )
   }
 
diff --git a/shims/spark41/src/main/scala/org/apache/gluten/sql/shims/spark41/Spark41Shims.scala b/shims/spark41/src/main/scala/org/apache/gluten/sql/shims/spark41/Spark41Shims.scala
index 226c2953893..4a8e7aacf9b 100644
--- a/shims/spark41/src/main/scala/org/apache/gluten/sql/shims/spark41/Spark41Shims.scala
+++ b/shims/spark41/src/main/scala/org/apache/gluten/sql/shims/spark41/Spark41Shims.scala
@@ -85,7 +85,8 @@ class Spark41Shims extends SparkShims {
       Sig[RegrIntercept](ExpressionNames.REGR_INTERCEPT),
       Sig[RegrSXY](ExpressionNames.REGR_SXY),
       Sig[RegrReplacement](ExpressionNames.REGR_REPLACEMENT),
-      Sig[BitmapConstructAgg](ExpressionNames.BITMAP_CONSTRUCT_AGG)
+      Sig[BitmapConstructAgg](ExpressionNames.BITMAP_CONSTRUCT_AGG),
+      Sig[BitmapOrAgg](ExpressionNames.BITMAP_OR_AGG)
     )
   }