Sayan may refer to the following people
- Given name
- Sayan Ghosh (born 1992), Indian cricketer
- Sayan Mondal (born 1989), Indian cricketer
- Sayan Roy (born 1991), Indian football player
- Sayan Paratanavong (born 1951), Thai sprinter.
- Sayan Sanya (1953 — 2013), Thai singer
- Surname
- Diego García Sayán (born 1950), Peruvian judge
- Lévon Sayan (born 1934), French-Armenian impresario, producer and operatic tenor
- Seda Sayan (born 1961), Turkish pop folk singer, actress and TV variety-show hostess