Peter Loudon (born 17 November 1966 in Perth, Scotland) is a Scottish curler and world champion.

He won a gold medal (with skip Hammy McMillan) at the 1999 Ford World Curling Championships in Saint John, New Brunswick.

Loudon competed for Great Britain at the 2002 Winter Olympics.

[3] Loudon is on the board of directors at Scottish football club St Johnstone, for whom his grandfather, Peter Gavigan, played during the 1920s.

This biographical article relating to curling in Scotland is a stub.