The men's long jump event was part of the track and field athletics programme at the 1928 Summer Olympics. The competition was held on Tuesday, July 31, 1928. Forty-one long jumpers from 23 nations competed. The maximum number of athletes per nation was 4. The event was won by Ed Hamm of the United States, the nation's second consecutive and seventh overall victory in the event. Silvio Cator earned Haiti's first medal in the event by taking silver.