Iain Bryden Percy OBE (born 21 March 1976) is an English sailor and double Olympic champion for Great Britain.

[2] Percy won World Bronze in the Star class with Andrew Simpson in 2007 and European Championship Gold in 2009.

At the 2008 Olympics in Beijing he again won a gold medal, this time in the Star class, teaming up with Andrew Simpson.

[4] At the 2012 Olympics in London he and Andrew Simpson won the silver medal, after a tight race against Swedish duo Fredrik Lööf and Max Salminen.

[5][6] Percy was appointed Member of the Order of the British Empire (MBE) in 2005, as a recognition of his Olympic gold medal.