AJ Alatimu (born 25 March 1993) is a Samoan rugby union player who plays for the Houston Sabercats of Major League Rugby (MLR) in the United States.

His position of choice is fly-half.

He also played for Western Force in the World Series Rugby competition.

[1] On 23 August 2019, he was named in Samoa's 34-man training squad for the 2019 Rugby World Cup,[2] before being named in the final 31 on 31 August.

[3] This biographical article relating to Australian rugby union is a stub.