Chausa is a village and corresponding community development block in Buxar district, Bihar, India.

It is located 11 km west of the district headquarters, Buxar, on the bank of the river Ganga.

[2] The area is famous as the site of the Battle of Chausa, in which the forces of Sher Shah Suri defeated Mughal emperor Humayun's army in 1539.

[3] It was also the site of discovery of the Chausa hoard, a set of 18 ancient Jain bronzes.

[2] Chausa possesses permanent pucca roads connected to both national and state highways.