Alf Ragnar Sten Henrikson (9 July 1905 in Huskvarna – 9 May 1995 in Södra Ängby) was a Swedish author, poet and translator, known for his interest in language and for his broad general knowledge.
He wrote a number of books about popular science and history, and for many years he was part of the staff of Dagens Nyheter, where he published short poems about current events or other topics.