diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
index 3b4d72584093..ca13168f74c4 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
@@ -3190,7 +3190,11 @@ class Analyzer(
           throw QueryCompilationErrors.nestedGeneratorError(g.generator)
         }
         g.copy(generatorOutput =
-          GeneratorResolution.makeGeneratorOutput(g.generator, g.generatorOutput.map(_.name)))
+          GeneratorResolution.makeGeneratorOutput(
+            g.generator, g.generatorOutput.map {
+              case ua: UnresolvedAttribute => ua.nameParts.head
+              case a => a.name
+            }))
       }
     }
   }
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
index 3ccc5293f659..9e94c0b6e572 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
@@ -3440,6 +3440,17 @@ class SQLQuerySuite extends QueryTest with SharedSparkSession with AdaptiveSpark
     checkAnswer(df2, Row(1) :: Nil)
   }
 
+  test("SPARK-56426: LATERAL VIEW column alias with dot in name should resolve correctly") {
+    checkAnswer(
+      sql(
+        """
+          |SELECT id, `skill.inst`
+          |FROM VALUES (1, array('a', 'b')) AS (id, skills)
+          |LATERAL VIEW explode(skills) skills_table AS `skill.inst`
+        """.stripMargin),
+      Row(1, "a") :: Row(1, "b") :: Nil)
+  }
+
   test("SPARK-30279 Support 32 or more grouping attributes for GROUPING_ID()") {
     withTempView("t") {
       sql("CREATE TEMPORARY VIEW t AS SELECT * FROM " +