Temo Mayanavanua (born 9 November 1997 in Bau (Fiji)) is a Fijian rugby union player who plays for Fijian Drua in the Super Rugby Pacific. His playing position is lock.
Mayanavanua grew up in Fiji where he attended Suva Grammar School. He is a cousin of Osea Kolinisau, who captained Fiji to the rugby Sevens first Olympic gold medal in 2016.
Mayanavanua captained Fiji U-20.
After playing for in New Zealand for 3 years, and for Lyon in France, he signed for Northampton Saints in 2023.
He made his debut for Fiji in 2020 against Georgia.