Mary Ellen Gaillard (born August 8, 1973) is an American competitive sailor who competed in the 2004 Summer Olympics.

[3] She attended Connecticut College, graduating in 1995, where she also represented the school's sailing and soccer teams.

[4] Meg Gaillard won the bronze medal at the 2000 Europe World Championships in Brazil.

[5] She was then runner-up in the 2000 US Olympic trials for the Europe event and missed the cut.

[4] Gaillard won another bronze medal in the Eurepoe class at the 2003 ISAF Sailing World Championships.