Joni

• Joni Anwar (born 1981), Thai singer and actor
• Joni Eareckson Tada (born 1949), American author and Christian ministry founder
• Joni Ernst (born 1970), American senator from Iowa
• Joni Haverinen (born 1987), Finnish professional ice hockey player
• Joni Isomäki (born 1985), Finnish ice hockey player
• Joni Jaako (born 1986), Swedish sprinter
• Joni James (1930-2022), American singer of traditional pop music
• Joni T. Johnson (1934–1988), American painter
• Joni Liljeblad (born 1989), Finnish ice hockey player
• Joni Mitchell (born 1943), Canadian musician, songwriter, and painter
• Joni Montiel (born 1998), Spanish footballer
• Joni Pitkänen (born 1983), Finnish hockey player
• Joni Robbins (born Joan Eva Rothman), American voice actress
• Joni Sternbach, American photographer
• Joni A. Yoswein (born 1955), New York politician

• Joni (footballer) (born 1970), Angolan footballer, real name Osvaldo Roque Gonçalves da Cruz

• Joani, given name
• Joni (film), a biographical film about Joni Eareckson Tada
• Cyclone Joni, a tropical cyclone named Joni
• Joni's Promise, a film directed by Joko Anwar
• "Joni" (song), a song by SZA featuring Don Toliver from the extended version of Lana (2025)

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