Switzerland competed at the 1920 Summer Olympics in Antwerp, Belgium.

Knuchel competed in the springboard event, but was unable to advance to the final.

Switzerland competed in the Olympic water polo tournament for the first time in 1920.

Because Belgium eventually finished with the silver medal, Switzerland should have had a chance to play for the bronze; it is not clear why they did not.

Edouard Fitting was the only Swiss fencer to advance to the quarterfinals, where he was eliminated.

Switzerland competed in the inaugural Olympic ice hockey tournament.

The team suffered the most lopsided loss of the tournament in a 29–0 defeat by the United States in the quarterfinals, Switzerland's first match.

In the bronze medal semifinals, the Swiss played a closer game but still lost to Sweden, 4–0.

Coach: Max Sillig Thirteen rowers represented Switzerland in 1920.

Roth took the gold medal in the unlimited weight class, with Courant taking silver in the light heavyweight.