Weir is a town and a municipality in Bharatpur District in the Indian state of Rajasthan.

Raja Pratap Singh of Weir, son of Brajraj Raja Shri Mahendra Badan Singh of Bharatpur was granted estate of Weir around 1739[citation needed].

[1] It has an average elevation of 272 metres (1092 feet).

As of the[update] Indian census,[2] Weir had a population of 17,331.

In Weir, 18% of the population was under six years of age.