diff --git a/docs/source/user-guide/latest/expressions.md b/docs/source/user-guide/latest/expressions.md
index 2ba71e93c4..e744067dd0 100644
--- a/docs/source/user-guide/latest/expressions.md
+++ b/docs/source/user-guide/latest/expressions.md
@@ -418,7 +418,7 @@ The type-name conversion functions (`bigint`, `binary`, `boolean`, `date`, `deci
 | `+` | ✅ | Native |  |
 | `-` | ✅ | Native |  |
 | `/` | ✅ | Native |  |
-| `abs` | ✅ | Native | Interval types fall back |
+| `abs` | ✅ | Hybrid | Interval types route through the JVM codegen dispatcher; numeric types run natively |
 | `acos` | ✅ | Native |  |
 | `acosh` | ✅ | Native |  |
 | `asin` | ✅ | Native |  |
diff --git a/spark/src/main/scala/org/apache/comet/serde/math.scala b/spark/src/main/scala/org/apache/comet/serde/math.scala
index a0ea76cc06..6cbbade3fa 100644
--- a/spark/src/main/scala/org/apache/comet/serde/math.scala
+++ b/spark/src/main/scala/org/apache/comet/serde/math.scala
@@ -169,9 +169,11 @@ object CometUnhex extends CometExpressionSerde[Unhex] with MathExprBase {
   }
 }
 
-object CometAbs extends CometExpressionSerde[Abs] with MathExprBase {
+object CometAbs extends CometExpressionSerde[Abs] with MathExprBase with CodegenDispatchFallback {
 
-  val unsupportedReason: String = "Only integral, floating-point, and decimal types are supported"
+  val unsupportedReason: String =
+    "Interval types are not supported natively and are handled via JVM codegen dispatch; " +
+      "this fallback only applies when the dispatcher is disabled"
 
   override def getUnsupportedReasons(): Seq[String] = Seq(unsupportedReason)
 
diff --git a/spark/src/test/resources/sql-tests/expressions/math/abs.sql b/spark/src/test/resources/sql-tests/expressions/math/abs.sql
index 5e811e7ea5..9eef45f35d 100644
--- a/spark/src/test/resources/sql-tests/expressions/math/abs.sql
+++ b/spark/src/test/resources/sql-tests/expressions/math/abs.sql
@@ -27,3 +27,25 @@ SELECT abs(i), abs(l), abs(f), abs(d) FROM test_abs
 -- literal arguments
 query
 SELECT abs(-5), abs(-1.5), abs(0), abs(NULL)
+
+-- abs() on intervals has no native impl; routed through the JVM codegen dispatcher.
+-- Interval values are built inline: native Parquet scan of interval columns is unsupported
+-- (https://github.com/apache/datafusion-comet/issues/5060), and a top-level YearMonthIntervalType projection column is still rejected by the
+-- projection type gate (https://github.com/apache/datafusion-comet/issues/5061), so the ym result is wrapped in a struct.
+query
+SELECT abs(make_dt_interval(1, 2, 3, 4.5)) AS dt_pos,
+       abs(make_dt_interval(-1, -2, -3, -4.5)) AS dt_neg,
+       abs(make_dt_interval(0, 0, 0, 0)) AS dt_zero,
+       abs(CAST(NULL AS INTERVAL DAY TO SECOND)) AS dt_null
+
+-- interval year to month: dispatched the same way; wrapped in a struct because a top-level
+-- YearMonthIntervalType column is rejected by the projection output type gate (https://github.com/apache/datafusion-comet/issues/5061)
+query
+SELECT named_struct('v', abs(make_ym_interval(1, 6))) AS ym_pos,
+       named_struct('v', abs(make_ym_interval(-1, -6))) AS ym_neg
+
+query expect_error(overflow)
+SELECT abs(make_dt_interval(-106751991, -4, 0, -54.775808))
+
+query expect_error(overflow)
+SELECT abs(make_ym_interval(0, -2147483648))
diff --git a/spark/src/test/resources/sql-tests/expressions/math/abs_ansi.sql b/spark/src/test/resources/sql-tests/expressions/math/abs_ansi.sql
index 879b24f3f6..2ce672df72 100644
--- a/spark/src/test/resources/sql-tests/expressions/math/abs_ansi.sql
+++ b/spark/src/test/resources/sql-tests/expressions/math/abs_ansi.sql
@@ -104,3 +104,9 @@ SELECT abs(v) FROM ansi_test_abs_byte
 -- literal
 query expect_error(overflow)
 SELECT abs(cast(-128 as tinyint))
+
+query expect_error(overflow)
+SELECT abs(make_dt_interval(-106751991, -4, 0, -54.775808))
+
+query expect_error(overflow)
+SELECT abs(make_ym_interval(0, -2147483648))