Iuniarra Sipaia (née Simanu, born 25 June 1993) is a Samoan female weightlifter. She has represented Samoa in several international competitions such as Pacific Mini Games, Commonwealth Games, Oceania Weightlifting Championships and Asian Indoor and Martial Arts Games. As a junior, she participated at the 2010 Summer Youth Olympics in the Girls' +63 event. She participated at the 2010 Commonwealth Games in the +75 kg event. She won the bronze medal at the 2011 Pacific Games.