|Full name||Isoa Ulago Domolailai|
|Date of birth||13 January 1981|
|Place of birth||Sigatoka, Fiji|
|Height||2.03 m (6 ft 8 in)|
|Weight||120 kg (18 st 13 lb)|
|Rugby union career|
Isoa Ulago Domolailai (born Sigatoka, 13 January 1981) is a Fijian rugby union footballer. He plays as a lock.
He currently plays for Tarbes in France. Domolailai's first game for Fiji was on 10 November 2001, in a 10-66 loss to Italy. He missed the 2003 Rugby World Cup finals, due to an injury, but was selected again for the 2007 Rugby World Cup finals. He played, as a substitute, in the 12-55 loss to Australia, on 23 September 2007. He wasn't selected since then. Domolailai currently holds 13 caps for the Fijian Squad, having yet to score his first points.