diff --git a/sqlglot/typing/__init__.py b/sqlglot/typing/__init__.py
index ca1a370dc4..0f95a2e939 100644
--- a/sqlglot/typing/__init__.py
+++ b/sqlglot/typing/__init__.py
@@ -22,7 +22,9 @@
     },
     **{
         expr_type: {"annotator": lambda self, e: self._annotate_unary(e)}
-        for expr_type in subclasses(exp.__name__, (exp.Unary, exp.Alias))
+        for expr_type in subclasses(
+            exp.__name__, (exp.Unary, exp.Alias, exp.IgnoreNulls, exp.RespectNulls)
+        )
     },
     **{
         expr_type: {"returns": exp.DType.BIGINT}
diff --git a/tests/fixtures/optimizer/annotate_functions.sql b/tests/fixtures/optimizer/annotate_functions.sql
index 6140ac1a7a..8799b883fc 100644
--- a/tests/fixtures/optimizer/annotate_functions.sql
+++ b/tests/fixtures/optimizer/annotate_functions.sql
@@ -6375,4 +6375,15 @@ VARCHAR;
 
 # dialect: clickhouse
 MD5(tbl.str_col);
-FIXEDSTRING(16);
\ No newline at end of file
+FIXEDSTRING(16);
+--------------------------------------
+-- IGNORE NULLS / RESPECT NULLS
+--------------------------------------
+
+# dialect: spark, databricks, snowflake, bigquery, trino, redshift
+FIRST_VALUE(tbl.str_col) IGNORE NULLS;
+TEXT;
+
+# dialect: spark, databricks, snowflake, bigquery, trino, redshift
+LAST_VALUE(tbl.str_col) RESPECT NULLS;
+TEXT;