Samuela Ravanua Domoni Junior (25 December 1968 – 24 July 2021) was a Fijian former rugby union footballer and the former national coach of the Fiji national rugby union team. He played as a lock or flanker. He was 6 ft 7 in (2.01 m) and during his playing days weighed 105 kg (231 lb). He played Super Rugby for NSW Waratahs. He also played for English clubs, London Irish and Saracens. He played for Fiji 6 times between 1990 and 1991 and was part of the Fiji team to the 1991 Rugby World Cup. He made his test debut for Fiji in December 1990, against Hong Kong.