Allan Karlsson or Carlsson may refer to:
Knut Herbert "Murren" Karlsson, better known as Herbert Carlsson, was a Swedish footballer who played as an inside forward. He played professionally in both Sweden and the United States. He also earned twenty caps, scoring nineteen goals, with the Sweden national team between 1918 and 1922. He represented his country at the 1920 Summer Olympics where he was the tournament top scorer.
Karlsson is a Scandinavian patronymic surname meaning "son of Karl" or "Karl's son". It is one of the most common surnames in Sweden and has a number of alternative spellings. Apart from Karlsson, Carlsson is the most common spelling variation. Karlson and Carlson also exist, but are uncommon, as are Carlzon and Qarlsson. The parallel Danish-Norwegian forms are Karlsen and Carlsen.
Carlsson is a Swedish patronymic surname meaning "son of Carl" or "Carl’s son". Cognates include Carlson and Karlsson. The parallel Danish-Norwegian forms are Karlsen and Carlsen.
Sune can be an Afrikaans female name, or an old Nordic male name, derived from an ancient Nordic word for "son". It may also be a surname of Spanish origin.
Magnus Karlsson may refer to:
Carlsen is a Danish-Norwegian patronymic surname meaning "son of Carl". The form Karlsen is cognate. The parallel Swedish forms are Carlsson and Karlsson.
David Carlsson may refer to:
Daniel Carlsson may refer to:
Magnus Carlsson is a Swedish singer.
Anders Karlsson may refer to:

Jan Edvard Carlsson, known professionally as Janne 'Loffe' Carlsson, was a Swedish actor, musician, composer and artist.
Tobias Karlsson may refer to:
Janne Karlsson is the name of:
Kim Carlson, Kim Carlsson or Kim Karlsson may refer to:
Christian Karlsson or Christian Carlsson may refer to:
David Karlsson may refer to:
Arne Carlsson, Arne Carlson, Arne Karlson or Arne Karlsson may refer to:
Bertil Carlsson or Bertil Karlsson may refer to
Kent Carlsson is a Swedish former tennis player.
Eric Carlsén, Eric Carlson, Eric Carlsson or Erik Karlsson may refer to: