Mafileo "Leo" Koloamatangi (born May 9, 1994) is an American football center who is a free agent.

He played college football at Hawaii, and was signed by the Detroit Lions as an undrafted free agent in 2017.

Koloamatangi was signed by the Detroit Lions as an undrafted free agent on May 12, 2017.

[2] He was waived on September 2, 2017 and was signed to the practice squad the next day.

[5] On September 2, 2018, Koloamatangi was waived by the Lions and re-signed to the practice squad.