Arab Serai is a 16th century caravanserai within the Humayun's tomb complex at Delhi, India.

Naqvi, Mughal emperor Humayun's widow Haji Begum built this serai in 1560 to shelter three hundred Arab mullahs whom she was taking with her during her hajj to Mecca; however, Y.D.

[1] In January 2017, the Aga Khan Trust for Culture started a project to conserve the serai.

[2] In March 2019, the trust announced a planned project to conserve the baoli (stepwell) of the serai with the help of funds from the embassy of Germany.

The gate measures 12.2 metres (40 ft) in height and is made of quartzite with red sandstone and is inlaid by marble.