Allan Rune Pettersson (born March 9, 1936 in Stockholm) is a Swedish writer.
After a varied career as producer of children's programmes on Swedish radio and later as inkeeper in Portugal, he became a freelance writer on his return to Sweden in 1965.
He has written children's books, plays for children and adults for stage, radio and TV. Notable books include Frankenstein's Aunt and Frankenstein's Aunt Returns.