diff --git a/sql/core/src/main/scala/org/apache/spark/sql/Column.scala b/sql/core/src/main/scala/org/apache/spark/sql/Column.scala
index c45027158c..554f6a34b1 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/Column.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/Column.scala
@@ -846,6 +846,14 @@ class Column(val expr: Expression) extends Logging {
    */
   def rlike(literal: String): Column = withExpr { RLike(expr, lit(literal).expr) }
 
+  /**
+   * SQL ILIKE expression (case insensitive LIKE).
+   *
+   * @group expr_ops
+   * @since 3.3.0
+   */
+  def ilike(literal: String): Column = withExpr { new ILike(expr, lit(literal).expr) }
+
   /**
    * An expression that gets an item at position `ordinal` out of an array,
    * or gets a value by key `key` in a `MapType`.
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/ColumnExpressionSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/ColumnExpressionSuite.scala
index b0cd613410..d954dc12ac 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/ColumnExpressionSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/ColumnExpressionSuite.scala
@@ -2904,4 +2904,35 @@ class ColumnExpressionSuite extends QueryTest with SharedSparkSession {
       }
     }
   }
+
+  test("SPARK-36778: add ilike API for scala") {
+    // scalastyle:off
+    // non ascii characters are not allowed in the code, so we disable the scalastyle here.
+    // null handling
+    val nullDf = Seq("a", null).toDF("src")
+    checkAnswer(nullDf.filter($"src".ilike("A")), Row("a"))
+    checkAnswer(nullDf.filter($"src".ilike(null)), spark.emptyDataFrame)
+    // simple pattern
+    val simpleDf = Seq("a", "A", "abdef", "a_%b", "addb", "abC", "a\nb").toDF("src")
+    checkAnswer(simpleDf.filter($"src".ilike("a")), Seq("a", "A").toDF())
+    checkAnswer(simpleDf.filter($"src".ilike("A")), Seq("a", "A").toDF())
+    checkAnswer(simpleDf.filter($"src".ilike("b")), spark.emptyDataFrame)
+    checkAnswer(simpleDf.filter($"src".ilike("aBdef")), Seq("abdef").toDF())
+    checkAnswer(simpleDf.filter($"src".ilike("a\\__b")), Seq("a_%b").toDF())
+    checkAnswer(simpleDf.filter($"src".ilike("A_%b")), Seq("a_%b", "addb", "a\nb").toDF())
+    checkAnswer(simpleDf.filter($"src".ilike("a%")), simpleDf)
+    checkAnswer(simpleDf.filter($"src".ilike("a_b")), Seq("a\nb").toDF())
+    // double-escaping backslash
+    val dEscDf = Seq("""\__""", """\\__""").toDF("src")
+    checkAnswer(dEscDf.filter($"src".ilike("""\\\__""")), Seq("""\__""").toDF())
+    checkAnswer(dEscDf.filter($"src".ilike("""%\\%\%""")), spark.emptyDataFrame)
+    // unicode
+    val uncDf = Seq("a\u20ACA", "A€a", "a€AA", "a\u20ACaz", "ЀЁЂѺΏỀ").toDF("src")
+    checkAnswer(uncDf.filter($"src".ilike("_\u20AC_")), Seq("a\u20ACA", "A€a").toDF())
+    checkAnswer(uncDf.filter($"src".ilike("_€_")), Seq("a\u20ACA", "A€a").toDF())
+    checkAnswer(uncDf.filter($"src".ilike("_\u20AC_a")), Seq("a€AA").toDF())
+    checkAnswer(uncDf.filter($"src".ilike("_€_Z")), Seq("a\u20ACaz").toDF())
+    checkAnswer(uncDf.filter($"src".ilike("ѐёђѻώề")), Seq("ЀЁЂѺΏỀ").toDF())
+    // scalastyle:on
+  }
 }