Sverre Isachsen (born November 11, 1970) is a Norwegian rallycross driver.

Isachsen started with motorsports in 1989, and became Norwegian Rallycross Champion in 1999 and 2000. In 2009, 2010 and 2011 he became the European Rallycross Champion with a Ford Focus. He was also awarded the "Driver of the Year" title by the Norwegian Autosport Federation in 2010 and 2011.

In 2012 Isachen signed a three-year deal to drive the Global RallyCross Championship for Subaru PUMA Rallycross Team, together with Dave Mirra and Bucky Lasek. He drives a 2012 Subaru Impreza GR in the championship. His exploits in the Global RallyCross Championship have earned him the nickname of “The Viking Warrior” in the U.S.

Isachen lives in Hokksund, Norway.