Westbrook is a surname. Notable people with the name include:
Anne Allen Westbrook, American politician
Brian Westbrook, American football player
Brianna Westbrook, American politician
Bryant Westbrook, American football player
Byron Westbrook, American football player
Chris I. Westbrook, French physicist
Danniella Westbrook (born 1973), English actress and television personality
[David Westbrook] (born 1968), north American teacher and musician
Dawn Westbrook, alias of Dawn Sime
Dede Westbrook, American football player
Helen Searles Westbrook (1889–1967) American composer and organist
Jake Westbrook (born 1977), American baseball player
Jamie Westbrook (born 1995), American baseball player
Jeff Westbrook, TV writer and algorithms researcher
John Westbrook, American football player and pastor
Karimah Westbrook (born 1978), American actress
Kate Westbrook (born 1939), English painter, jazz singer and musician
Lawrence Westbrook, American college basketball player
Mary Westbrook or Mary Westbrook Van Deusen (1829–1908), American author
Michael Westbrook, American football player
Mike Westbrook (1936–2026), English jazz pianist, composer, and writer of orchestrated jazz pieces
Peter Westbrook (1952–2024), American saber fencer
Richard Westbrook, British racing driver
Russell Westbrook, American basketball player
Ruth Westbrook, English cricketer
Scarlett Westbrook (born 2004), British climate justice activist and journalist
Tati Westbrook, American internet personality
Thomas Westbrook, Colonial New England militia leader and namesake for Westbrook, Maine