Bas (name)
Bas is both a given name and a surname. As a given name in Dutch it is short for Sebastiaan (Sebastian). It can also be short for the Arabic name Abbas. Notable people with the name include:
Given name
- Bas (born 1987), Sudanese-American rapper
 - Bas Balkissoon (born c. 1952), politician in Toronto, Canada
 - Bas van Bavel (born 1964), Dutch historian
 - Bas of Bithynia, (c. 397–326 BC), first independent ruler of Bithynia
 - Bas Bron, Dutch musical artist and producer of mostly electronic music
 - Bas de Gaay Fortman (born 1937), Dutch politician and scholar
 - Bas Giling (born 1982), Dutch professional road bicycle racer
 - Bas Jan Ader (1942–1975), Dutch conceptual artist, performance artist, photographer and filmmaker
 - Bas Leinders (born 1975), Belgian racing driver
 - Bas Pease (1922–2004), British physicist
 - Bas Roorda (born 1973), Dutch football (soccer) goalkeeper
 - Bas Rutten (born 1965), Dutch mixed martial arts fighter and color commentator
 - Bas Savage (born 1982), English professional footballer (soccer)
 - Bas van de Goor (born 1971), Dutch volleyball player
 - Bas van der Vlies (1942–2021), Dutch politician
 - Bas van Fraassen (born 1941), Netherlands-born American philosopher
 - Bas Oskam (born 1980), Dutch DJ
 - Bas Takken (born 1999), Dutch Paralympic swimmer
 
Surname
- Bärbel Bas (born 1968), German politician
 - Bernardo Bas (1919–1991), de facto Federal Interventor of Córdoba, Argentina
 - Cornelis Bas (1928–2013), Dutch mycologist
 - Giulio Bas (1874–1929), Italian organist and composer
 - Hernan Bas (born 1978), U.S. artist based in Florida
 - Mery Bas (born 1968), Spanish singer
 - Noël Bas (1877–1960), French gymnast