Jean-Baptiste Macquet (born 2 July 1983 in Dieppe, France) is a French rower. In 2010, he won the gold medal at the world rowing championship at Lake Karapiro in New Zealand, rowing in the coxless four, with Julien Desprès, Dorian Mortelette and Germain Chardin. He competed for France at the 2013 World Rowing Championships in the Men's Eight, finishing in 6th place.