Mevo Beitar (, lit. Beitar Gateway) is a moshav shitufi in central Israel. Located ten kilometres south-west of Jerusalem in the Jerusalem corridor, it falls under the jurisdiction of Mateh Yehuda Regional Council. In it had a population of .
The village was established near the Betar fortress on 24 April 1950 by native Israelis and immigrants from Argentina who were members of the Beitar movement, including Matityahu Drobles, later a member of the Knesset. It was founded on the land of the depopulated Arab village of al-Qabu. Located around a kilometre from the Green Line, it was a "" (which meant it was entitled to financial compensation) until the Six-Day War.