In for Thirty Days

{{short description|1919 silent film directed by Webster Cullison}}

{{Use mdy dates|date=March 2025}}

{{Infobox film

| name = In for Thirty Days

| image =

| alt =

| caption =

| native_name =

| director = Webster Cullison

| writer =

| screenplay = Thomas J. Geraghty (scenario)
George D. Baker (scenario)

| story = Luther A. Reed

| based_on =

| producer = George D. Baker

| starring = May Allison
Robert Ellis
Mayme Kelso

| narrator =

| cinematography = William E. Fildew

| editing =

| music =

| studio = Metro Pictures

| distributor =

| released = {{Film date|1919|1|27|US|ref1={{cite web | url=https://catalog.afi.com/Catalog/MovieDetails/15404 | title=In for Thirty Days | publisher=American Film Institute | accessdate=August 10, 2018}}}}

| runtime = 5 reels

| country = United States

| language = English

| budget =

| gross =

}}

In for Thirty Days is a 1919 American silent comedy film, directed by Webster Cullison. It stars May Allison, Robert Ellis, and Mayme Kelso, and was released on January 27, 1919.