Sein Win may refer to:
Sein Win (general, born 1919) (1919–1993), Burmese brigadier-general, fourth Prime Minister of Burma Guardian Sein Win (1922–2013), Burmese journalist Ludu Sein Win (1940–2012), Burmese writer and journalist Sein Win (politician, born 1944) (1944–2026), Chairman of the National Coalition Government of the Union of Burma and unofficial Prime Minister of the Union of Burma Sein Win (general, born 1956), Burmese lieutenant-general, Myanmar Minister of Defence, 2015–2021