Grégory Havret (born 25 November 1976) is a French professional golfer.
Havret won the French Amateur Championship three years in a row from 1997 to 1999, and in 1999 he won the European Amateur. He also won a minor professional tournament as an amateur, the 1998 Omnium National.
Havret turned professional in 1999 and won a place on the European Tour at the 2000 Qualifying School. He finished 60th on the Order of Merit in 2001, his rookie season, recording a maiden tour victory at the Italian Open. Havret's biggest win to date came in the 2007 Barclays Scottish Open at Loch Lomond, where he overcame three-time major winner Phil Mickelson in a playoff. In August 2008 Havret recorded a third tournament victory in Scotland, leading the Johnnie Walker Championship at Gleneagles at the end of every round in recording a one shot win over Martin Erlandsson.