Upton Sinclair

Sinclair Broadcast Group (SBG), operator of television stations, U.S.

Sinclair Research Ltd, computer company, UK

Clan Sinclair, Scotland, UK

Saint Clare

Sinclair Oil, petroleum company, U.S.

Sinclair Township, Minnesota, U.S.

Sinclair Community College, in Dayton, Ohio, U.S.

Lake Sinclair, Georgia, U.S.

Sinclair, Wyoming, U.S.

Sinclair Radionics Ltd, UK

St. Clair

Santa Clara

Sinclair (High School), Uddevalla, Sweden

Sinclair is a surname which derives from the name Saint Clare (Saint-Clair in French). It may also refer to: Companies: