The 1965–66 Liga Bet season saw Hapoel Nahariya, Hapoel Ra'anana, Hapoel Be'er Ya'akov and Beitar Be'er Sheva win their regional divisions and promoted to Liga Alef. North Division A
North Division B
Maccabi Neve Shalom withdrew from the league.
South Division A
South Division B
References Hapoel Nahariya, Ra'anana, Be'er Ya'akov and Beitar Be'er Sheva - to Liga Alef Davar, 30.5.66, Historical Jewish Press The next "unknown" - Beitar Be'er Sheva Maariv, 29.5.66, Historical Jewish Press