William Douglas "Tripp" Schwenk III (born June 17, 1971) is an American former competition swimmer, Olympic champion, and former world record-holder.

At the 1992 Summer Olympics in Barcelona, Spain, he competed in the men's 200-meter backstroke and finished fifth in the event final in a time of 1:59.73.

[3] At the 1996 Summer Olympics in Atlanta, Georgia, he received a gold medal for swimming for the winning U.S. team in the preliminary heats of the men's 4×100-meter medley.

Individually, Schwenk also received the silver medal for recording a 1:58.99 second-place finish in the men's 200-meter backstroke.

[2] Schwenk later served as a K-9 Unit police officer in Sarasota, Florida, where he lived with his wife, one son and a daughter.