Dominik Guido Utzinger (born 12 April 1963) is a former professional tennis player from Switzerland.

[2] On the Grand Prix circuit he played mostly in the doubles, with his only singles appearance the 1985 Japan Open in Tokyo, a first round loss to Harald Rittersbacher.

His most notable performance came at the 1987 Australian Open, where he and countrywoman Christiane Jolissaint were semi-finalists in the mixed doubles.

[5] He also featured in the men's doubles draw partnering Christian Saceanu and the pair reached the round of 16, before they lost to eventual champions Stefan Edberg and Anders Järryd.

[7] He lives in Bangkok, Thailand and has been head coach of the local Asian Tennis Academy.