Jonas may refer to:
Geography Jonas, Netherlands, Netherlands Jonas, Pennsylvania, United States Jonas Ridge, North Carolina, United States
Arts, entertainment, and media Jonas Brothers, American pop rock band Jonas (TV series), a television series starring the Jonas Brothers Jonas (novel), a 1955 novel by Jens Bjørneboe Jonas, a character in The Giver by Lois Lowry Jonas, an oratorio by Italian composer Giacomo Carissimi I Am Jonas, a 2018 French film, original title Jonas Jonas, a character in Dark, a German television series produced by Netflix
Religion Jonah or Jonas, a prophet in the Hebrew Bible Jonas, one of two Jeneum (figures in the Book of Mormon)
People Jonas (name), people with the given name or surname Jonas Jonas (footballer, born 1943), full name Jonas Bento de Carvalho, Brazilian football midfielder Jonas (footballer, born 1972), full name Carlos Emanuel Romeu Lima, Angolan football midfielder Jonas (footballer, born 1983), full name Jonas Brignoni dos Santos, Brazilian football defender Jonas (footballer, born 1984), full name Jonas Gonçalves Oliveira, Brazilian football forward Jonas (footballer, born 1987), full name Jonas Jessue da Silva Júnior, Brazilian football defender Jonas (footballer, born 1991), full name Jonas Gomes de Sousa, Brazilian football midfielder
Other uses Storm Jonas, January 2016 United States winter storm Jonas (crab), a genus of crustaceans in the family Corystidae