Nava Barak-Singer (Hebrew: נאוה ברק-זינגר; née Cohen; April 8, 1947) is an Israeli educator and social activist.

[2] After graduating with a BA, she obtained a position as an English teacher at a middle school in Kfar Saba.

The wedding of Nava Cohen and Ehud Barak took place on March 25, 1969 at the Ginaton Hotel in Tiberias.

The organizations in which she served included the Elem Association for Youth at Risk; the network of Hafuch al Hafuch cafes that gave young people opportunities to meet professionals; a project supporting the teaching of healthy interpersonal relationships in schools; and the Supervision Patrol Project, which aimed to identify young people whose behaviour on the streets gave cause for concern.

Following an attack on a children's bus in Kfar Darom, she raised money for a fund that had been created to help the injured.