Swingin' on a Rainbow

{{short description|1945 film by William Beaudine}}

{{more citations needed|date=June 2019}}

{{Infobox film

| name = Swingin' on a Rainbow

| image = Swingin' on a Rainbow (1945) Poster.jpg

| caption = 1945 poster

| director = William Beaudine

| producer = Edward J. White

| writer = Olive Cooper
John Grey

| narrator =

| starring = Jane Frazee
Harry Langdon
Richard Davies

| music =

| cinematography =

| editing =

| distributor = Republic Pictures

| released = {{Film date|1945}}

| runtime = 72 minutes

| country = United States

| language = English

| budget =

}}

Swingin' on a Rainbow is a 1945 American film directed by William Beaudine and starring Jane Frazee. It includes the final film appearance of Harry Langdon. The film's copyright was renewed in 1973, as a published work from 1945 it will enter the public domain on January 1, 2041.{{Cite book |url=https://archive.org/details/catalogofc19733271213libr/page/52/mode/1up?view=theater&q=rainbow |title=Catalog of Copyright Entries |publisher=Library of Congress |year=1973 |language=en}}