Marlena Hilari Wesh (born February 16, 1991) is a Haitian-American sprinter who competed in the 2012 Summer Olympics for Haiti in the women's 200-meter and 400-meter sprints.

[1] Both of her parents, Hernould and Margareth Wesh, were born and raised in Haiti and she is a dual citizen.

[1][2] Wesh was approached by Haitian Olympic hurdler Nadine Faustin-Parker, who encouraged her to run for Haiti.

[3] She earned All-American designation in March 2012 in a Division I championship at Boise State University in Idaho.

[8] Wesh's brother Daren could also have run for Haiti in the 2012 Olympics but chose to try to make the American team.