Ali Mazaheri (; born March 31, 1982, in Kermanshah, Iran) is an amateur boxer from Iran, who competed in the 2006 Asian Games in the Heavyweight (-91 kg) division and won the gold medal in the final bout against Uzbekistan's Jasur Matchanov 25–19. Mazaheri won the gold medal of the 2007 Ulan Bator in the Heavyweight (-91 kg) division.