Aviv Geffen, Israeli singer-songwriter, guitarist, and producer
Aviv Geffen (Hebrew: אביב גפן, born 10 May 1973) is an Israeli rock musician, singer, songwriter, record producer, keyboardist, and guitarist and the son of writer and poet Yehonatan Geffen and Nurit Makover, brother of actress Shira Geffen, and an alumnus of Rimon School of Jazz and Contemporary Music. In addition to his solo career, Geffen is a founding member of the band Blackfield , he was also the global music director for WeWork.

Geffen was and is extremely popular among Israeli youth who were known during the 1990s as the "Moonlight Children" (ילדי אור הירח). Politically, he associates with the Israeli left. His music deals with subjects such as love, peace, death, suicide, politics, and the army (in particular, the IDF). He is often criticized for singing about the IDF while not having served, though he was discharged for medical reasons.