Tim Fehlbaum (born 1982; Basel) is a Swiss film director.

Fehlbaum studied directing from 2002-2009 at the University of Television and Film Munich. While there, he made several short films, music videos and worked as camera operator on documentary films. In 2011 Fehlbaum made his feature film debut with the bleak post-apocalyptic horror film Hell, for which he also co-wrote the screenplay. In 2021 Fehlbaum's science-fiction thriller film Tides premiered at the Berlin International Film Festival in the Berlinale Special section and subsequently won several awards, such as four German Film Awards, as well as two Bavarian Film Awards for Best Director and Best Cinematography.