Penieli Latu (born 20 February 1973) is a former Tongan rugby union player. He represented at the 1995 Rugby World Cup. He earned 9 caps for from 1994 to 1995. He debuted against on 4 June 1994. His last match was against a year later on 15 July.
He played for South Canterbury's Celtic Rugby Club alongside his three younger brothers. He is the younger brother of former dual international Sinali Latu.