Kensington High Street is a road (forming part of the A315) in Kensington, west London.

Its western extremity is the eastern end of Hammersmith Road near Kensington (Olympia) station. From here, the road heads east-north-east, past the Commonwealth Institute and High Street Kensington tube station. It forms a junction which Kensington Church Street , which runs to the north, and then continues east to the south-west corner of Kensington Gardens, close by Kensington Palace. Eastward the road becomes Kensington Road.

The stretch between the Commonwealth Institute and Kensington Gardens is a popular shopping area.