The men's triple jump, also known as the hop, step, and jump, was a track and field athletics event held as part of the Athletics at the 1912 Summer Olympics programme. The competition was held on Monday, July 15, 1912. Twenty athletes from eight nations competed. NOCs could enter up to 12 athletes. The event was won by Gustaf Lindblom of Sweden, the nation's first medal in the men's triple jump. Georg Åberg and Erik Almlöf also medaled for Sweden, completing a sweep—previously accomplished twice by the United States in 1900 and 1904.

These are the results of athletics competition at the 1912 Summer Olympics. 30 events were contested, all for men only.