Sema or SEMA may refer to:
Government Special Economic Measures Act, Canadian law used to sanction other countries
Organizations Sema Group, an Anglo-French IT services company SEMA (association), Specialty Equipment Market Association for vehicles in the United States Seoul Museum of Arts, a museum located in Seoul, South Korea Storage Equipment Manufacturers Association, a professional association of storage equipment manufacturers in the United Kingdom
People Sema (tribe), an Indian Naga tribe
Given name Sema Apak (born 1985), Turkish female sprinter Arzu Sema Canbul (born 1973), Turkish female footballer
Surname Ken Sema (born 1993), Swedish footballer for English Premier League side Watford F.C. Maic Sema (born 1988), Swedish footballer for GIF Sundsvall
Places The ICAO airport code for José María Velasco Ibarra Airport in Macará, Ecuador
Religion Sema, a Sufi ritual Bai Sema or Sema stone, boundary stones surrounding the ordination halls of Buddhist temples in Thailand
Science The seema or the masu salmon (Oncorhynchus masou), a species of fish Sema domain, a protein domain
See also SEMATECH (Semiconductor Manufacturing Technology Consortium) Cima (disambiguation) Sima (disambiguation) Seema (disambiguation) Simi (disambiguation)