"Dagny" is a song written by Owe Thörnqvist and recorded by him on a 1958 EP. The song lyrics tell the story of "Dagny", a waitress girl at "Café 7:an". A Lalla Hansson recording charted at 11 weeks between 1 July and 9 September 1973, peaking at second position. The song is also common at sing-along events in Sweden. At , the song was recorded by The Playtones and appeared on their 2010 album . A heavy metal version was recorded by . The song is one of the titles in the book (2009).