Hans F. Dersch (born December 25, 1967) is an American former competition swimmer and breaststroke specialist who represented the United States at the 1992 Summer Olympics in Barcelona, Spain.

Born in Alexandria, Virginia on December 25, 1967, Dersch grew up in a rough part of Atlanta and attended and swam for Avondale High School in Georgia's DeKalb County, graduating in 1985.

[7] At the August 1987 Jr. National Long Course Championships in Fort Lauderdale, competing for Swimatlanta, Dersch swam a 1:04.45 in the 100 breaststroke and also participated in the 400 medley relay.

[3] Prior to the 1992, Olympics, Dersch received a small grant to train from United States Swimming, and worked in the marketing department for the national accounting firm, Ernst and Young.

Swimming helped him find the job with Ernst and Young, and the firm allowed him time to work around his training schedule.

[3] At the 1992 Barcelona Olympics, Dersch won the gold medal in the men's 4×100-meter medley relay, after having swum in the preliminary heats for the winning U.S. team.