Mélanie Engoang Nguema (born July 25, 1968) is a Gabonese judoka, who played for the half-heavyweight category.
She is a five-time medalist (two golds and three silver) for her division at the African Judo Championships, and gold medalist at the 1999 All-Africa Games in Johannesburg, South Africa.
She also competed at four Summer Olympic games (1992 in Barcelona, 1996 in Atlanta, 2000 in Sydney, and, 2004 in Athens), but she neither reached the final round, nor claimed an Olympic medal.
For being the most experienced member at the Olympics, Engoang was the nation's three-time flag bearer at the opening ceremonies.