Avalon Theater or Theatre may refer to:
Australia Avalon Theatre, Hobart, Tasmania
United States Avalon Theater (Catalina), California; now known as Catalina Casino Avalon Theatre (Easton, Maryland) Avalon Theater (Brooklyn), New York Avalon Theater (Larimore, North Dakota), listed on the National Register of Historic Places Avalon Theatre (Portland, Oregon), a movie theatre Avalon Theatre (Washington, D.C.), listed on the National Register of Historic Places