Trevor Evans may refer to:

• Trevor Evans (priest) (1937–2020), Anglican priest
• Trevor Evans (politician) (born 1981), Australian politician
• Trevor Evans (journalist) (1902–1981), British journalist
• Trevor Evans (mathematician) (1925–1991), British and American mathematician
• Trevor Evans (scientist) (1927–2010), British physicist
• Trefor Evans (born 1947), Wales rugby union player
• Trevor Evans Award
• Trevor Evans, character in Fireman Sam
• Trevor Evans (Suits), a character from Suits
• Trevor Evans (Doctors), a character from Doctors