Peter Marshall (born 12 May 1971 in Nottingham, United Kingdom) is a former professional squash player from England.

2 ranking behind Jansher in November 1994, many observers felt he seemed a strong candidate to displace the aging Pakistani champion as World No.

However, in 1995, Marshall was afflicted with glandular fever, the effects of which meant he was unable to play top-level squash for two years.

[1] Marshall returned to the professional tour in 1997, re-claiming his place in the England squad which went on to win the World Team Squash Championships title in Malaysia.

Marshall released an autobiography about his battle against chronic fatigue syndrome in 2001 entitled Shattered: A Champion's Fight Against a Mystery Illness.