Luke John Hamilton (born 7 January 1992) is a Scottish international rugby union player who plays back row for Oyonnax.

He has previously played for Cardiff Blues and Edinburgh in the Pro14, Agen in France's Top 14 and Leicester Tigers in Premiership Rugby.

Born in Pembrokeshire, Wales, Hamilton came through the academy at the Scarlets before moving to the Cardiff Blues, making his professional debut for the club in the 2010–11 season against Exeter in the Anglo-Welsh Cup.

[4] Hamilton left the Blues to join SU Agen for the 2014–15 season, citing a lack of game time as one of his reasons for leaving.

On 5 June 2019, Hamilton signed with NTT Docomo Red Hurricanes in the Japan Rugby Top League for the 2019 season on a short term contract.