Johanna Sinisalo (b. 1958) is a Finlandia-Prize winning superstar of Finnish speculative fiction. In addition to her eight novels, she has also written short fiction and film and television screenplays. Her works have been translated into twenty languages. 

Sinisalo has won several literary prizes also abroad, such as the 2004 James Tiptree, Jr. Award and the 2017 Prometheus Award, and was nominated for the Nebula Award in 2008, the Prix Escapades in 2012, and the Grand Prix de L’Imaginaire in 2017.