Paul Harrison may refer to:

• Paul Harrison (1920s American football coach), American football coach
• Paul Harrison (American football coach, born c. 1949)
• Paul Harrison (Australian footballer) (1944–2005), Australian footballer for South Melbourne
• Paul Harrison (English cricketer) (born 1984), English cricketer
• Paul Harrison (footballer, born 1984), English footballer
• Paul Harrison (ice hockey) (born 1955), retired Canadian ice hockey goaltender
• Paul Harrison (Jamaican cricketer) (born 1988), Jamaican cricketer
• Paul Harrison (musician) (born 1975), British jazz pianist
• Paul Harrison (pantheist), British environmentalist and president of the World Pantheist Movement
• Paul Harrison (racing driver) (born 1969), British racing driver
• Paul Harrison (weightlifter) (born 1966), Australian Olympic weightlifter
• Paul Carter Harrison (1936-2022), American playwright and professor
• Paul Phillips Harrison (1882–1950), Canadian politician in the Legislative Assembly of British Columbia