Hasan Ali (also spelled Hassan Ali) can refer to:
- Hasan Ali (Kara Koyunlu), last ruler of the Kara Koyunlu Turkmen tribal federation
- Hasan Ali (cricketer), Pakistani cricketer
- Hasan Ali (footballer), United Arab Emirates footballer
- Hasan ibn Ali, grandson of the Islamic prophet Muhammad
- Hasan Ali Khan, Indian businessman
- Hassan Ali Mehran (born 1937), Iranian economist
- Hasan Mohamed Ali, Malaysian politician
- Kamal Hassan Ali, Egyptian politician
- Hassan Ali (kabaddi), Pakistani kabaddi player
- Hassan Ali (East Pakistan politician), member of the 3rd National Assembly of Pakistan as a representative of East Pakistan
- Hassan Ali (Punjab politician), member of the Provincial Assembly of the Punjab