Ashbrook is a surname, and may refer to:
Dana Ashbrook (born 1967), American actor Daphne Ashbrook (born 1963), American actress Frank G. Ashbrook (1892–1966), American mammalogist Jean Spencer Ashbrook (born 1934), American politician, spouse of John John M. Ashbrook (1928–1982), American politician, spouse of Jean Joseph Ashbrook (1918–1980), American astronomer Larry Gene Ashbrook (1952–1999), American mass murderer Sharon Ashbrook, British chemist Stanley Bryan Ashbrook (1882–1958), American philatelist Stephen Ashbrook (born 1969), American singer-songwriter Tom Ashbrook (born 1956), American journalist Temple Ashbrook (1896–1976), American sailor William A. Ashbrook (1867–1940), American businessman and politician William Ashbrook (1922–2009), American musicologist, writer, journalist, and academic William Ashbrook Kellerman (1850–1908), American botanist, mycologist, and photographer
See also Viscount Ashbrook, a title in the Peerage of Ireland. Ashbrook (crater) Ellis Ashbrook, American rock group