Monique Hennagan (born May 26, 1976, in Columbia, South Carolina) is an American athlete who mainly competes in the 400 metres.

Monique Hennagan graduated from the University of North Carolina at Chapel Hill with a double major in Psychology and African American Studies.

As a collegiate athlete, Hennagan was World Juniors gold 4 × 400 metre relay and silver 400m medalist in 1994.

As a post collegiate 1998–2009, Monique traveled the world competing as a professional track and field athlete.

She will also serve as Treasurer, for Divine Appointment Transformation House; a non-profit organization that Monique's mother, Mary Hennagan, is currently developing.