Hassanzadeh or Hasanzadeh is an Iranian surname. Notable people with the surname include:
Ahmad Hassanzadeh (born 1985), Iranian footballer Ali Asghar Hassanzadeh (born 1987), Iranian futsal player Farhad Hasanzadeh (born 1962), Iranian author and poet
Khosrow Hassanzadeh (born 1963), Iranian painter Mohammad Hassanzadeh (born 1990), Iranian basketball player Reza Hassanzadeh (disambiguation), multiple Iranian footballers
See also Hasanzade