Jean-Baptiste Grange (born 10 October 1984) is a French retired World Cup alpine ski racer.

Born in Saint-Jean-de-Maurienne, Savoie, Grange grew up in Valloire, Galibier, and made his World Cup debut at age 19 in January 2004.

In February 2007, he won the bronze medal in the slalom at the 2007 World Championships in Åre, Sweden.

Injured in early December 2009 in a giant slalom at Beaver Creek, he opted for surgery and missed the remainder of the 2010 season, which included the 2010 Winter Olympics.

His older brother is François-Cyrille Grange, also an alpine ski racer.