Pirkko Saisio is a Finnish author, director and actress. She has also written under the pen names Jukka Larsson and Eva Wein. Saisio is best known for his work in literature, and has broad literary output. In addition to novels, she has written plays, film and television screenplays, musicals, librettos, song lyrics and translations.

Saisio is the mother of actress Elsa Saisio, and is in a Civil Union with director Pirjo Honkasalo.