Loïc Lerouge (born 21 January 1977) is a French former sprinter specializing in the 400 metres and the 4th World Athletics Indoor Championships bronze medallist in the 4 × 400 m relay.

Lerouge won the relay silver medal at the 1995 European Athletics Junior Championships before winning bronze at the 1997 World Indoor Championships 4 × 400 m. In 2002, Lerouge won his first European medal at the 2002 European Indoor Championships relay before coming a research director focusing on sport at the French National Centre for Scientific Research.

Lerouge won his first international medal at the 1995 European Athletics Junior Championships, where he contributed to the French team's runner-up performance in the 4 × 400 m by virtue of running in the heats.

[3] Lerouge achieved his highest international success at the 1997 IAAF World Indoor Championships, where he ran the 3rd leg on the 4 × 400 m relay.

[4] Lerouge again ran the 3rd leg on the French relay team, winning the silver medal in the 4 × 400 m final.