Roman Valent (born 8 July 1983) is a professional tennis player from Switzerland.

Valent was ranked as high as world number 3 as a junior, having won the 2001 Wimbledon Boys' Singles tournament.

In the following years, Valent was set back by serious injuries to his shoulder or knee as well as Pfeiffer's glandular fever.

In qualifying for the ATP Tour event in Metz, he won all three matches and reached his only singles main draw of his career at the 2009 Open de Moselle.

In 2012, Valent finally retired from professional tennis due to another knee injury.