noun

• A surname originating as an occupation.
• Sir Charles Spencer "Charlie" Chaplin (1889–1977), English comic actor and film director of the silent film era.
• A place name:
• A town in Windham County, Connecticut, United States.
• An unincorporated community and census-designated place in Nelson County, Kentucky, United States.
• An unincorporated community and coal town in Monongalia County, West Virginia, United States.
• A community in Halifax regional municipality, Nova Scotia, Canada.
• A village in Saskatchewan, Canada, within the rural municipality.
• The Rural Municipality of Chaplin No. 164, a rural municipality in south-central Saskatchewan.
• (biochemistry) Any of a class of bacterial proteins that form fibrils instead of a coiled structure.