Berkeley Square is a town square in the West End of London in the City of Westminster, originally laid out in the mid 18th century by architect William Kent. It is named after the noble Gloucestershire family of the same name whose London home, Berkeley House, had stood nearby until 1733.

The square features a statue by Alexander Munro, a Pre-Raphaelite sculptor, made in 1858. The surrounding London Plane trees are among the oldest in central London, planted in 1789.

The buildings around the square include several by other notable architects including Robert Adam, who designed Lansdowne House (since 1935 home of the Lansdowne Club) in the south-west corner of the square.

50 Berkeley Square is the most infamous haunted house in London.

Berkeley Square is close to Selfridges department store.

The nearest underground station to Berkeley Square is Bond Street which is on the Central Line. Bond Street is in Zone 1.