Peter Barker (born 26 September 1983 in Harold Wood, England) is a professional squash player from Upminster, England. Barker reached a world ranking of 13 in November 2007, the same month that he was selected to represent the senior England team at the World Team Championships in December 2008, held in India. Barker attended Brentwood School from 1995 to 2002. Barker is currently a broker.