Tove Marika Jansson (August 9, 1914 - June 27, 2001) was the author of, among other works, the world-famous Moomin books.

Jansson was versatile artist; painter, illustrator, novelist and comic strip author. She was born and died in Helsinki. A Finnish citizen, her mother tongue was Swedish. Both her parents and both her brothers were artists of one sort or another. Tove Jansson lived together with the (female) graphic artist Tuulikki Pietilä, who was also her lover.