Shira Geffen (Hebrew: שירה גפן; born April 23, 1971) is an Israeli actress, screenwriter, film director and children's book writer.

[3] She was also the niece of film director Assi Dayan.

[2][3] Jellyfish was written by her and directed by her husband; it won the Camera d'Or at the 2007 Cannes Film Festival.

[3] At the 2014 Jerusalem Film Festival, she wrote a letter calling for an end to the conflict in Gaza together with Keren Yedaya and other filmmakers.

In 2007, Geffen and her husband Etgar Keret won the Cannes Film Festival's Camera d'Or Award for Jellyfish.