Johns is a surname shared by the following notable people:

• Adrian Johns (born 1951), Royal Navy vice-admiral, former Second Sea Lord and former Governor of Gibraltar
• Alan Johns (1917–1997), New Zealand scientist, chief executive and university administrator
• Alex Johns (1966–2010), American film and television producer
• Alfred Johns (1868–1934), Australian cricketer
• Andrew Johns (born 1974), Australian former rugby league footballer, brother of Matthew Johns
• Andrew Johns (triathlete) (born 1973), British triathlete
• Andy Johns (1950–2013), British music engineer
• Ben Johns (born 1999), an American professional pickleball player
• Bobby Johns (racing driver) (1932–2016), American racecar driver
• Brad Johns, Canadian politician
• Brett Johns (born 1992), Welsh mixed martial artist
• Brian Johns (born 1982), Canadian Olympic swimmer
• Brian Johns (businessman) (1936–2016), Australian company director and journalist
• Catherine Johns (born 1935), museum curator and Roman archaeologist
• Charles A. Johns (1857–1932), American lawyer, jurist and politician; justice on the Supreme Court of the Philippines
• Charles Alexander Johns (1811–1874), British botanist and author
• Charley Eugene Johns (1905–1990), American politician, 32nd governor of Florida
• Charlie Johns (1914 or 1915–1997), American farmer who married a nine-year-old neighbor - see Marriage of Charlie Johns and Eunice Winstead
• Chris Johns (disambiguation)
• Claude Hermann Walter Johns (1857–1920), English Assyriologist and Church of England clergyman
• Collin Johns (born 1993), American professional pickleball player
• Cooper Johns (born 14 July 1999), Australian former rugby league footballer, son of Matthew Johns
• Daniel Johns (born 1979), Australian musician
• Dave Johns (born 1956), English comedian and actor
• David Johns (born 1948), American Navaho painter
• David Johns (cricketer) (1921–1979), English cricketer
• Don Johns (1937–2017), Canadian retired National Hockey League player
• Doug Johns (born 1967), American retired Major League Baseball pitcher
• Emmett Johns (1928–2018), Canadian humanitarian
• Ethan Johns (born 1969), British music producer
• Fred Johns (1868–1932), Australian writer
• Gary Johns (born 1952), Australian politician
• Gene Johns (1927–1984), American businessman and politician
• Geoff Johns (born 1973), American comic book author
• George Sibley Johns (1857–1941), American journalist and newspaper editor
• Glyn Johns (born 1942), British record producer
• Glynis Johns (1923–2024), British actress
• Gord Johns (born 1969), Canadian politician
• Harold E. Johns (1915–1998), Canadian medical physicist
• Harry Johns (1903–1991), Australian rules footballer
• Helen Johns (born 1953), Canadian politician
• Helen Johns (swimmer) (1914–2014), American swimmer, Olympic champion and former world record-holder
• Henry Johns (disambiguation)
• Jack Johns (cricketer) (1885–1956), Welsh cricketer
• Jack Johns (rugby league) (born 1997), Australian former rugby league footballer
• James Johns (politician) (1893–1959), Australian politician
• James Edward Johns (1900–1984), American football player
• Jasper Johns (born 1930), American painter and printmaker
• John Johns (1796–1876), fourth Episcopal bishop of Virginia, son of Kensey Johns
• Johnny Johns (born 1951), American retired figure skater and ice dancer
• Joseph Johns (1826–1900), English convict and Australian bushranger, better known as Moondyne Joe
• Joseph Johns, Amish man who founded Johnstown, Pennsylvania, in 1800
• Keith Johns (1902–1979), Australian rules footballer
• Kensey Johns (judge) (1759–1848), American judge
• Kensey Johns Jr. (1791–1857), American politician and lawyer, son of the above
• Laura M. Johns (1849–1935), American suffragist, journalist
• Lem Johns (1925–2014), United States Secret Service agent present during the assassination of John F. Kennedy
• Les Johns (born 1942), Australian rugby league footballer
• Lori Johns (born 1965), American former Top Fuel Dragster racer
• Margo Johns (1919–2009), British actress
• Matthew Johns (born 1971), Australian rugby league footballer and channel 9 host, brother of Andrew Johns
• Mervyn Johns (1899–1992), Welsh actor, father of Glynis Johns
• Michael Johns (policy analyst) (born 1964), American political commentator, analyst and writer, former White House speechwriter
• Michael Johns (singer) (1978–2014), Australian singer/songwriter
• Michael M. E. Johns (born 1942), American physician
• Milton Johns (born 1938), British television actor
• Orrick Glenday Johns (1887–1946), American poet, son of George Sibley Johns
• Paddy Johns (born 1968), Irish former rugby union player
• Paul Johns (disambiguation)
• Peter Johns (disambiguation)
• Richard Johns (born 1939), British Royal Air Force air chief marshal
• Robert H. Johns (1942–2020), American meteorologist
• Robert J. Johns, Canadian socialist labour organizer in the 1910s
• Ronnie Johns (politician) (born 1949), American politician from Louisiana
• Sammy Johns (1946–2013), American country musician
• Sarah Johns (born 1979), American country music singer
• Stephen Johns (disambiguation)
• Steve Johns (drummer) (born 1960), American jazz drummer
• Stratford Johns (1925–2002), British stage, film and television actor
• Thomas Johns (disambiguation)
• Tony Johns (born 1960), Canadian football player
• Tracy Camilla Johns (born 1963), American film actress
• Vere Johns (1893–1966), Jamaican journalist, impresario, radio personality and actor
• Vernon Johns (1892–1965), American minister and civil rights leader
• W. E. Johns (1893–1968), British writer
• Wilbur Johns (1903–1967), American college basketball head coach and athletics director

• Jones (disambiguation)