The 1966–68 Liga Gimel season saw 192 clubs competing in 16 regional divisions for promotion to Liga Bet.
Beitar Tiberias, Hapoel Jadeidi, Maccabi Afula, Hapoel Shefa-'Amr, Hapoel Kiryat Yam, Maccabi Neve Sha'anan, Beitar Binyamina, Hapoel Tel Mond, Hapoel Kafr Qasim, Hapoel Ramat HaSharon, Maccabi Ramat HaShikma, Beitar Rehovot, Maccabi Dror Lod, Maccabi Ashdod, Maccabi Yavne and Maccabi Be'er Sheva won their regional divisions and qualified for the Promotion play-offs.
At the Promotion play-offs, Maccabi Neve Sha'anan, Beitar Tiberias, Hapoel Shefa-'Amr and Hapoel Kiryat Yam were promoted to Liga Bet from the North play-offs, whilst Beitar Rehovot, Hapoel Ramat HaSharon, Maccabi Be'er Sheva and Maccabi Dror Lod were promoted to Liga Bet from the South play-offs.
North play-offs
Hapoel Jadeidi was suspended from the play-offs due to unruly behavior behalf of their players and crowd.