Frédéric Nicolas "Fredy" Barth (born 5 December 1979 in Lucerne) is an auto racing driver from Switzerland.

Barth started out in karting before stepping up to French Formula Renault Campus in 2001, where he finished fifth.

In 2004 Barth moved to touring cars, when he raced in the German SEAT Leon Supercopa, finishing fifth in the standings.

Barth made his World Touring Car Championship debut for Sunred Engineering at the 2010 FIA WTCC Race of Brazil.

At the season finale in Macau, a major accident on the Friday ruled him out of the rest of the weekend.

Barth was unable to secure a budget to continue in the WTCC for a full season in 2012, electing instead to race in the Blancpain Endurance Series.