The Qajar Bathhouse (Persian: حمام قجر) is a historical bathhouse in Qazvin, Iran.

It was built in 1647 in Safavid Iran by the order of the shah, and by Amingune Khan Qajar who was a Sardar of the Shah, and was initially known as the Shahi bathhouse.

[1][2]

It is approximately 1045 square meters large, and has two different sections for men and women.

[3] It is now used as an anthropology museum, and is listed among the Iranian national heritage sites with the number 12601.