Halkin Street is a street in Belgravia, London, running south-west to north-east from the north-east corner of Belgrave Square to Grosvenor Place.
Notable buildings include Forbes House, a Grade II-listed detached mansion at No. 10, built in the early-mid 19th century.The 5-star Halkin Hotel is at No. 5–6, and the Mexican Consulate is at No. 8. The street is also home to the Belgrave Chapel and the Caledonian Club.