The men's shot put competition at the 2016 Summer Olympics in Rio de Janeiro, Brazil. The event was held at the Olympic Stadium on 18 August. Thirty-four athletes from 24 nations competed. The event was won by Ryan Crouser of the United States, the nation's first victory in the event since 2004. His teammate Joe Kovacs took silver. Tomas Walsh earned New Zealand's first medal in the men's shot put.

Ryan Crouser is an American track and field athlete who competes in the shot put and discus. He specializes in the shot put, in which he is a two-time Olympic gold medalist and a three-time World Champion. He holds the world record in the shot put, both indoors and outdoors. He set the outdoor world record at 23.56 meters in May 2023, improving upon his previous record of 23.37 m from July 2021. He has held the indoor record of 22.82 m since January 2021.