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

• Hasan Ali, Iran, a village in South Khorasan Province, Iran
• Qal'eh Hasan Ali, volcanic field in Iran