Daphni Leef is an Israeli social activist, video artist, and editor. In July 2011 she initiated the 2011 Israeli Social Justice Protest that took place in Tel Aviv and were the largest social protests in Israel's history.

The 2011 Israeli social justice protests, which are also referred to by various other names in the media, were a series of demonstrations in Israel beginning in July 2011 involving hundreds of thousands of protesters from a variety of socio-economic and religious backgrounds opposing the continuing rise in the cost of living and the deterioration of public services such as health and education. A common rallying cry at the demonstrations was the chant; "The people demand social justice!".