Aimé-Romarin Billong (born June 11, 1970) is a Cameroonian former professional footballer who played as a defender. His brother Silas is also a former footballer. Born in Moundou, Chad, Billong played for the Cameroon national team and a few clubs in France. In October 1999 he signed for Premier League side West Ham United to play under Harry Redknapp. However, he never made a first team appearance for the club.