Beetsterzwaag (West Frisian: Beetstersweach) is a village in the municipality of Opsterland in the east of Friesland in the Netherlands.

The village was first mentioned in 1315 as Suagh, and means "pasture with cattle belonging to Oud Beets [nl]".

[9] After World War II, Beetsterzwaag developed into a suburb of Drachten.

[5] Its most famous inhabitant was the Dutch actor Rutger Hauer, who died at his home in the village on 19 July 2019.

[10] The Dutch poet J. Slauerhoff lived there, who in May–July 1929 ran the practice of the local doctor, a temporary profession eternalized in a poem by J.C. Bloem printed in the national paper Het Vaderland [nl].