Aviv Geffen (born 1973) is an Israeli singer‑songwriter, musician, and record producer known for his contributions to rock and alternative music in Israel and internationally. He is the son of noted Israeli poet and lyricist Yehonatan Geffen. Geffen began his solo career in the early 1990s, gaining prominence with his debut album Ha'Bait Shel Ha'Neshiga (1994) and subsequent releases such as Shak (1995) and Mabul (1996). His style blends rock, pop, and electronic elements, often featuring introspective lyrics that address personal, social, and political themes.
In the mid‑2000s, Geffen co‑founded the Anglo‑Israeli progressive rock project Blackfield with British musician Steven Wilson. Blackfield released several studio albums, including Blackfield (2004), Blackfield II (2007), and Blackfield III (2014), achieving critical acclaim and a following in both Europe and Israel.
Beyond his musical output, Geffen has been involved in various social and political activities. He has publicly expressed left‑leaning viewpoints, advocated for peace initiatives, and participated in benefit concerts supporting humanitarian causes. His activism has occasionally sparked controversy within the Israeli public discourse.
Throughout his career, Geffin has received multiple accolades, including Israeli Music Awards for Best Rock Album and recognition for his influence on the Israeli rock scene. He continues to record and perform both as a solo artist and in collaborative projects.