Stewart Moore (born 8 August 1999) is an Irish rugby union player who plays centre for Ulster.

Ulster coach Dan McFarland describes him as "a lovely balanced runner who can cause defences problems".

[4] He played club rugby in the All-Ireland League with Malone,[4] and joined the Ulster academy ahead of the 2018–19 season,[6] while studying biology at Belfast Metropolitan College.

[4] Moore made his senior competitive debut for Ulster while an academy player in their 54–42 defeat against Leinster in the 2018–19 Pro14 on 20 December 2019,[7] and also featured against the Cheetahs in February 2020.

[8] He signed a three-year contract with the senior team, as a development player for the first year, ahead of the 2020–21 season.