The men's long jump event was part of the track and field athletics programme at the 1928 Summer Olympics.

The returning finalists from the 1924 Games were the defending champion, DeHart Hubbard of the United States, and fourth-place finisher Vilho Tuulos of Finland.

Ed Hamm had set the world record at the 1928 AAU championship and was the "heavy favorite.

"[3] Chile, Denmark, Ireland, South Africa, and Spain each made their first appearance in the event.

(*) Robert LeGendre set the Olympic record in the 1924 pentathlon contest The best six long jumpers qualified for the final.