Cathy Muller (born 21 November 1962) is a French former racing driver.

[3] Muller started racing in the Renault 5 Turbo series in the early 1980s.

From there she graduated into the French Formula Renault Turbo Championship finishing fifth driving a Martini Mk36.

She returned in 1988 failing to qualify for the season opening race.

She made her debut in the World Sportscar Championship at the 1984 Sandown 1000 driving for Gebhardt Motorsport.