Rix is a surname. Notable people with the surname include:
Brian Rix (1924–2016), the Baron Rix, English actor and charity worker
Chris Rix, football quarterback for Florida State University, 2000–2004
Donald Rix, Canadian pathologist and philanthropist
Felice Rix, Austrian born designer
Graham Rix, English football player and coach
Grant Rix, Australian rugby league footballer
Hans-Walter Rix, German astronomer
Helmut Rix (1926–2004), German language professor
Jemma Rix, Australian theatre performer
Martyn Rix, botanist, editor of Curtis's Botanical Magazine
Robert Rix, founding figure of J.R. Rix & Sons Ltd
Simon Rix, bass player for popular British band Kaiser Chiefs
Tyler Rix, English saxophonist
