Belus Prajoux Nadjar (born 27 February 1955) is a retired professional tennis player from Chile.
Prajoux won six doubles titles on the ATP Tour during his career. He reached a highest doubles ranking of No. 17 in July 1982. He was a member of the Chile Davis Cup team, and played on the team that reached the final of the 1976 Davis Cup. Prajoux retired from the tour in 1986.
Doubles: 12 (6 wins / 12 losses)
Belus Prajoux at the Association of Tennis Professionals
Belus Prajoux at the Davis Cup (archived)