The 1978–79 Liga Alef season saw Hapoel Nazareth Illit (champions of the North Division) and Hapoel Beit Shemesh (champions of the South Division) win the title and promotion to Liga Artzit.
Promotion play-offs, held in neutral venue, introduced between the second placed clubs in each regional division. Hapoel Herzliya won over Maccabi Kiryat Gat, and became the third promoted club.
Hapoel Herzliya promoted to Liga Artzit.