Lars-Henrik Olsen (born 30 July 1946) is a Danish author. His oeuvre spans children's, youth and adult books. He has written books about animals and nature, Nordic mythology and several historical novels. Among his more notable books are the Erik series. His books have been translated into a total of 13 different languages. In 1976 he published several nature books including Life in the sea: a food chain and Life in the forest: a circuit. His debut fiction novel was Wolves and then followed a series of books with animals and nature as a theme. In 1986 he was awarded The Danish Bookstores Auxiliary Society of Children's Book Prize for Erik Menneskeson. In 1988 this was followed by The dwarf from Normandy which won Denmark's school librarian Society of Children's Book Prize. Since then he has written a wealth of books, many of which are inspired by the Vikings, Norse mythology and medieval times.