John Henry Kuck (April 27, 1905 – September 21, 1986) was an American athlete who won a gold medal in the shot put at the 1928 Summer Olympics setting a new world record at 15.87 m. Earlier that year he set two more world records, but they were not recognized officially. In 1926 he also set a US record in the javelin throw at 65.28 m and won the AAU title.

Competing for the Emporia State Hornets track and field team, Kuck won an NCAA shot put title.