Saha
Saha may refer to:
- Saha (surname), a Bengali Hindu surname
 
People
- Arati Saha (1940–1994), Indian long distance swimmer
 - Arthur W. Saha, Science Fiction and Fantasy editor
 - Arun Saha, Bangladeshi actor and musician
 - Gopinath Saha, Bengali activist for Indian independence
 - Louis Saha, French former footballer
 - Meghnad Saha, an Indian astrophysicist and discoverer of the Saha ionization equation
 - Ranadaprasad Saha, Bengali businessman, social activist
 - Surjit Saha, Indian television actor and model
 - Wriddhiman Saha, Indian cricketer
 
Other
- Sahā world, a concept in Buddhism
 - Saha, Ambala, a village in India
 - Saha, Estonia, village in Estonia
 - Saha, Iran, village in Zanjan Province, Iran
 - Saha (crater), a lunar impact crater on the far side of the Moon
 - Saha Airlines, an Iranian airline
 - Saha District, a district of the city of Busan, South Korea
 - Saha Station, a station of the Busan Metro Line 1
 - Saha ionization equation, relating the densities of atoms/ions/electrons in a plasma; also known as Saha-Langmuir equation
 - Saha, the Chartreux cat from the novella La Chatte by Colette
 
Acronym
- SAHA for suberoyl-anilide hydroxamic acid, an anticancer agent (Vorinostat)
 - SAHA (Iran aviation), an Iranian aviation company
 - San Antonio Housing Authority, a housing authority in Texas
 - Saskatchewan Amateur Hockey Association, now known as Hockey Saskatchewan
 - South African Hockey Association, the governing body of field hockey in South Africa