Astor is a German surname. Notable people with the surname include:
Annabel Astor, Viscountess Astor (born 1948), British businesswoman Ava Alice Muriel Astor (1902–56), daughter of John Jacob Astor IV Bronwen Astor, Viscountess Astor (1930–2017), British model Brooke Astor (19022007), American philanthropist Caroline Schermerhorn Astor (18301908), American socialite David Astor (19122001), British newspaper publisher Gavin Astor, 2nd Baron Astor of Hever (191884), British publisher Irene Astor, Baroness Astor of Hever (19192001), British philanthropist Jakie Astor (19182000), British politician John Astor (192387), British politician John Astor, 3rd Baron Astor of Hever (born 1946), British politician John Jacob Astor (17631848), German fur-trader and first multi-millionaire of America John Jacob Astor III (182290), financier John Jacob Astor IV (1864–1912), richest passenger on the RMS Titanic John Jacob Astor VI (191292), son of John Jacob Astor IV and Madeleine Astor John Jacob Astor, 1st Baron Astor of Hever (1886–1971), British politician Liz Astor, Baroness Astor of Hever (born 1950), British author Madeleine Astor (18931940), wife of John Jacob Astor IV Mary Astor (190687), Academy Award-winning American actress Michael Astor (191680), British Conservative Party politician Nancy Astor, Viscountess Astor (18791964), first woman to serve as a British Member of Parliament Violet Astor, Baroness Astor of Hever (18891965), British aristocrat Vincent Astor (18911959), American businessman and philanthropist Waldorf Astor, 2nd Viscount Astor (1879–1952), politician and newspaper proprietor William Astor, 3rd Viscount Astor (190766), British Conservative Party politician William Astor, 4th Viscount Astor (born 1951), British politician William Backhouse Astor Sr. (17921875), businessman William Backhouse Astor Jr., (182992), businessman William Waldorf Astor, 1st Viscount Astor (18481919), attorney