diff --git a/datafusion/functions/src/string/octet_length.rs b/datafusion/functions/src/string/octet_length.rs
index 12980fab1f11..f792914d862e 100644
--- a/datafusion/functions/src/string/octet_length.rs
+++ b/datafusion/functions/src/string/octet_length.rs
@@ -43,7 +43,7 @@ impl OctetLengthFunc {
         Self {
             signature: Signature::uniform(
                 1,
-                vec![Utf8, LargeUtf8],
+                vec![Utf8, LargeUtf8, Utf8View],
                 Volatility::Immutable,
             ),
         }
@@ -84,6 +84,9 @@ impl ScalarUDFImpl for OctetLengthFunc {
                 ScalarValue::LargeUtf8(v) => Ok(ColumnarValue::Scalar(
                     ScalarValue::Int64(v.as_ref().map(|x| x.len() as i64)),
                 )),
+                ScalarValue::Utf8View(v) => Ok(ColumnarValue::Scalar(
+                    ScalarValue::Int32(v.as_ref().map(|x| x.len() as i32)),
+                )),
                 _ => unreachable!(),
             },
         }
@@ -176,6 +179,36 @@ mod tests {
             Int32,
             Int32Array
         );
+        test_function!(
+            OctetLengthFunc::new(),
+            &[ColumnarValue::Scalar(ScalarValue::Utf8View(Some(
+                String::from("joséjoséjoséjosé")
+            )))],
+            Ok(Some(20)),
+            i32,
+            Int32,
+            Int32Array
+        );
+        test_function!(
+            OctetLengthFunc::new(),
+            &[ColumnarValue::Scalar(ScalarValue::Utf8View(Some(
+                String::from("josé")
+            )))],
+            Ok(Some(5)),
+            i32,
+            Int32,
+            Int32Array
+        );
+        test_function!(
+            OctetLengthFunc::new(),
+            &[ColumnarValue::Scalar(ScalarValue::Utf8View(Some(
+                String::from("")
+            )))],
+            Ok(Some(0)),
+            i32,
+            Int32,
+            Int32Array
+        );
 
         Ok(())
     }
diff --git a/datafusion/sqllogictest/test_files/string_view.slt b/datafusion/sqllogictest/test_files/string_view.slt
index e7166690580f..2e03951e7fce 100644
--- a/datafusion/sqllogictest/test_files/string_view.slt
+++ b/datafusion/sqllogictest/test_files/string_view.slt
@@ -646,14 +646,13 @@ logical_plan
 
 
 ## Ensure no casts for OCTET_LENGTH
-## TODO https://github.com/apache/datafusion/issues/11858
 query TT
 EXPLAIN SELECT
   OCTET_LENGTH(column1_utf8view) as c1
 FROM test;
 ----
 logical_plan
-01)Projection: octet_length(CAST(test.column1_utf8view AS Utf8)) AS c1
+01)Projection: octet_length(test.column1_utf8view) AS c1
 02)--TableScan: test projection=[column1_utf8view]
 
 ## Ensure no casts for OVERLAY