Little Theatre or Little Theater may refer to:
Australia
Little Theatre, Adelaide, South Australia
Little Theatre, Sydney, former name of the Royal Standard Theatre, Sydney, New South Wales
Melbourne Little Theatre, an amateur theatre company in Melbourne, Victoria (1931-1950s; later St Martin's Theatre Company)
Canada
Georgetown Little Theatre, Ontario
Ottawa Little Theatre, Ontario
India
The Little Theatre (India), theatre group based in Chennai
Indonesia
Little Theatre (Indonesia), Jakarta
Ireland
Athlone Little Theatre
South Africa
Little Theatre (Cape Town)
United Kingdom
England
Bromley Little Theatre, London
Little Theatre Gateshead
Little Theatre in the Haymarket, earlier name of the Haymarket Theatre, London
Little Theatre in the Adelphi, London (1910–1941)
Little Theatre (Leicester)
Sheringham Little Theatre, Norfolk
Scotland
Mull Little Theatre, Scotland
United States
Little Theatre Movement, in America during the early 20th century
By state and city
Phoenix Little Theatre, the original name of the Phoenix Theatre, Arizona
Little Theater, at the UCLA School of Theater, Film and Television, Los Angeles, California
Little Theatre, at San Diego State University, San Diego, California
Little Theatre of Jacksonville, the original name of the NRHP-listed Theatre Jacksonville, Florida
The Little Theatre on the Square, a theater in Sullivan, Illinois
Marblehead Little Theatre, Massachusetts
Little Theatre, the former name of Gem Theatre in Detroit, Michigan
Las Vegas Little Theater, Nevada
Albuquerque Little Theatre, New Mexico
Lucille Ball Little Theatre, in Jamestown, New York
Little Theatre, the original name of the Hayes Theater in New York City
Little Theatre (Rochester, New York), NRHP-listed
Raleigh Little Theatre, North Carolina
Chagrin Valley Little Theatre, Chagrin Falls, Ohio
Little Theatre of Wilkes-Barre, Pennsylvania
Little Theatre of Alexandria, Virginia
York Little Theatre, the original name of The Belmont Theatre in York, Pennsylvania