Shay Montague is a grappling competitor from Scotland and a jiu-jitsu black belt under Darragh O'Conaill, who represents The Griphouse (Glasgow, Scotland) and East Coast Jiu-Jitsu Academy (Dublin, Ireland) in the sport's global circuit. Montague gained notoriety in the sport while competing in the International Brazilian Jiu-Jitsu Federation (IBJJF) league where he conquered the #1 ranking as a brown belt, both in the Gi and No-Gi divisions (2022-2023).