Joker is a nickname of the following people:

• Joker Arroyo (1927–2015), Filipino lawyer, politician and senator
• Jonas Berggren (born 1967), Swedish musician
• Novak Djokovic (born 1987), Serbian tennis player
• Alec Hall (Australian footballer) (1869–1933), Australian rules footballer
• Nikola Jokić (born 1995), Serbian basketball player
• Jess Liaudin (born 1973), French mixed martial artist
• Joker Phillips (born 1963), American former football player and coach
• Joe Randa (born 1969), American retired Major League Baseball player
• Yong Jun-hyung (born 1989), South Korean pop singer
• Mac Jones (born 1998), American football quarterback