Paul Watson (born 1950) is a Canadian environmental activist, ship's skipper, and founder of the Sea Shepherd Conservation Society.

Paul Watson may also refer to:

• Paul Watson (basketball) (born 1994) American basketball player
• Paul Watson (cyclist) (born 1962), former professional English road racing cyclist
• Paul Watson (documentary filmmaker) (1942–2023), English filmmaker
• Paul Watson (footballer, born 1975), English football player
• Paul Watson (footballer, born 1990), Scottish football player
• Paul Watson (football manager) (born 1984), British sports journalist and expatriate football coach
• Paul Watson (journalist) (born 1959), Canadian photojournalist and author
• Paul Watson (musician) (1952–2024), American cornetist and songwriter
• Paul E. Watson (died 1943), American electrical engineer
• Paul Joseph Watson (born 1982), British right-wing YouTuber, radio host, writer and conspiracy theorist