Langstaff could mean one of the following:
Places Ontario, Canada Langstaff, Ontario, a community shared between Vaughan, Ontario and Markham, Ontario Langstaff GO Station, a station in the GO Transit network located in the community York Regional Road 72, known commonly as Langstaff Road Back in 1966.
Schools Langstaff Secondary School, a public high school in Richmond Hill, Ontario, Canada
People Annie MacDonald Langstaff (1887–1975), Canadian legal activist, supporter of women's suffrage and early aviator Brian Langstaff (born 1948), British judge James Henry Langstaff (born 1956), British Anglican priest, Bishop of Lynn 2004–2010, Bishop of Rochester 2010–2021 James Miles Langstaff (1825–1889), reeve of Richmond Hill, Ontario John Langstaff (1920–2005), American baritone singer Macaulay Langstaff (born 1997), English footballer Sarah Josephine Meredith Langstaff (1849–1933), Canadian-American socialite and society founder Stuart Langstaff, Green Party candidate in 2004 Canadian federal election
See also Longstaff (disambiguation)