Westaway is a surname of English origin, denoting someone who lived on a road on the western side of a village. Notable people with the surname include:
Alan Westaway (born 1969), British actor and screenwriter Alex Westaway (born 1983), British singer Col Westaway (1936–2015), Australian cricketer Greg Westaway, Australian businessman Jenna Westaway (born 1994), Canadian middle-distance runner Katharine Westaway (1893–1973), British classical scholar and headmistress Lewis Westaway (1821–1885), Canadian merchant, ship captain, ship owner and political figure Neil M. Westaway, Australian scout commissioner Nic Westaway (born 1989), Australian actor and singer Rachel Westaway, Australian politician Sam Westaway (born 1992), English cricketer Simon Westaway (born 1958), Australian actor