Titi Lamositele (born February 11, 1995) is an American-Samoan rugby union player who plays at prop for Harlequins.

[1] Lamositele made his professional debut on March 22, 2015, playing 9 minutes off the bench for Saracens in an LV= Cup loss to Exeter Chiefs.

[2] He helped Saracens win the European Champions Cup in 2017 and 2019, featuring in both finals.

[3][4] On 20 February 2020, Lamositele signed for French giants Montpellier in the Top 14 ahead of the 2020–21 season.

Lamositele scored his first try for the United States in the 2015 Pacific Nations Cup against Samoa.