Mordaunt is both a surname and a given name. Notable people with the name include:
Surname:
Charles Mordaunt (disambiguation), several earls and baronets
David Mordaunt (born 1937), English former cricketer
Elinor Mordaunt (1872–1942), English author, writer and traveler
Gerald Mordaunt (1873–1959), English cricketer
Harry Mordaunt (1663–1720), English lieutenant-general
Harriet Mordaunt (1848–1906), wife of Sir Charles Mordaunt
Henry Mordaunt, 2nd Earl of Peterborough (1621–1697), English soldier, peer and courtier
Sir Henry Mordaunt, 12th Baronet (1867–1939), English cricketer
John Mordaunt (disambiguation), numerous persons
Lewis Mordaunt, 3rd Baron Mordaunt (1538-1601), English peer and politician
Osbert Mordaunt (1876–1949), English cricketer
Penny Mordaunt (born 1973), Member of Parliament
Thomas Osbert Mordaunt (1730–1809), British officer and poet
Given name:
Mordaunt Bisset (1825–c. 1884), British politician and Member of Parliament
Mordaunt Cracherode (died 1773 or possibly 1768), British Army officer
J. Mordaunt Crook, English architectural historian
Mordaunt Doll (1888–1966), English cricketer
Mordaunt Hall (1878–1973), film critic of The New York Times
Sir Mordaunt Martin, 4th Baronet (c. 1740-1815)
Mordaunt Shairp (1887–1939), English dramatist and screenwriter
Fictional characters:
Mordaunt, a main villain of the 1845 novel Twenty Years After by Alexandre Dumas
Mordaunt, the central male character in the 1800 novel Mordaunt, Sketches of Life, Characters, and Manners in Various Countries; including the memoirs of a French Lady of Quality by John Moore
