Mohammad Nasiri Seresht is a retired Iranian weightlifter. He competed at the 1964, 1968, 1972 and 1976 Olympics and won a gold, a silver and a bronze medal. He also won gold medals at the Asian Games in 1966, 1970 and 1974 and at the world championships in 1968-70 and 1973–74, placing second in 1972 and third in 1966, 1971 and 1976. Between 1966 and 1973 he set 15 ratified world records: 10 in clean and jerk, 3 in the press and 2 in the total. In 1995 he was inducted into the International Weightlifting Federation Hall of Fame.

The 1973 Men's World Weightlifting Championships were held in Havana, Cuba from September 15 to September 23, 1973. There were 189 men from 39 nations in the competition. These were the first championships held since the elimination of the clean and press from competition.