Hassanzadeh is a surname. Notable people with the surname include:

• Ahmad Hassanzadeh (born 1985), Iranian footballer
• Ali Asghar Hassanzadeh (born 1987), Iranian futsal player
• Khosrow Hassanzadeh (born 1963), Iranian painter
• Mohammad Hassanzadeh (born 1990), Iranian basketball player
• Reza Hassanzadeh (disambiguation), multiple Iranian footballers

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