| Birth Date: | 2 July 1978 |
| Birth Place: | Nîmes, France |
| Height: | 1.66 m |
| Weight: | 54 kg |
| Club: | Aix Natation, Aix-en-Provence |
Laurie Thomassin (born 2 July 1978) is a French retired breaststroke swimmer who won a gold medal in the 4×100 m medley relay at the 2004 European Aquatics Championships. She also competed in the same event at the 2004 Summer Olympics.
More than one French sportswoman carries the name Laurie Thomassin: a pentathlon athlete Laurie Thomassin (b. 1986),[1] and a younger swimmer who won a bronze medal in the 200 m breaststroke at the 12th Gymnasiade in 2002 (i.e. born after 1985).[2]