1965–66 Liga Gimel

The 1965–66 Liga Gimel season saw 175 clubs competing in 14 regional divisions for promotion to Liga Bet.

Hapoel Hatzor, Beitar Acre, Hapoel Beit She'an, Hapoel Shefa-'Amr, Hapoel Atlit, Hapoel Zikhron Ya'akov, Hapoel Kfar Yona, Hapoel Rosh HaAyin, David Tel Aviv, Maccabi Ramla, Beitar Beit Dagan, Maccabi Kiryat Gat, Beitar Ashdod and Hapoel Yeruham won their regional divisions and qualified for the Promotion play-offs.

At the Promotion play-offs, Hapoel Beit She'an, Beitar Acre, Hapoel Atlit and Hapoel Zikhron Ya'akov were promoted to Liga Bet from the North play-offs, whilst Maccabi Ramla, Beitar Beit Dagan, Hapoel Rosh HaAyin and David Tel Aviv were promoted to Liga Bet from the South play-offs.

15 clubs did not finish the season due to suspensions and withdrawals.