Jann may refer to:

• Jann Arden (born 1962), Canadian singer-songwriter
  • Jann Arden (album), her eponymous eighth album
• Jann Browne (born 1954), American country singer
• Jann Carl (born 1960), American journalist
• Jann Sonya McFarlane (born 1944), Australian politician
• Jann Haworth (born 1942), American pop artist
• Jann Knijnenburg (1938–2010), Australian stage actor, model and matriarch of a theatrical family
• Jann Stuckey (born 1955), Australian politician

• Jann Hoffmann (1957–2023), Danish darts player
• Jann Jensen (born 1969), Danish football coach and former player
• Jann Klose, German-born pop singer-songwriter
• Jann Mardenborough (born 1991), British racing driver
• Jann Ingi Petersen (born 1984), Faroese footballer
• Jann Sjursen (born 1963), Danish politician
• Jann Wenner (born 1946), co-founder and publisher of Rolling Stone
• Jann Wilde (born 1982), Finnish singer-songwriter

• Mario Jann (born 1980), German ice hockey player
• Michael Patrick Jann (born 1970), American actor, writer and director
• Peter Jann (born 1935), Austrian jurist

• Jann (singer), Jan Rozmanowski (born 1999), Polish singer-songwriter

• Jann (cards), in some card games, to lose without taking a trick or scoring a minimum number of points
• Jann (legendary creature), a kind of genie
• Jann (TV series), a sitcom produced in Canada
• Jann of the Jungle, comic book girl protagonist in the anthology title Jungle Tales (1954)
• Beit Jann, a village in northern Israel

• All pages with titles beginning with Jann
• Jaan (given name)
• Jahn
• Jan (disambiguation)
• Ján
• John (given name)
• Yann
• Jinn (disambiguation)