Petty-Fitzmaurice
Petty-Fitzmaurice or Petty-FitzMaurice is the family name of the following people:
- Charles Petty-Fitzmaurice, 7th Marquess of Lansdowne (1917–1944), British nobleman
- Charles Petty-Fitzmaurice, 9th Marquess of Lansdowne (* 1941), British nobleman
- Emily Petty-Fitzmaurice, 8th Lady Nairne (1819–1895), British peeress
- George Petty-FitzMaurice, 8th Marquess of Lansdowne (1912–1999), British politician and peer
- Henry Petty-Fitzmaurice, 3rd Marquess of Lansdowne (1780–1863), British statesman
- Henry Petty-FitzMaurice, 5th Marquess of Lansdowne (1845–1927), British politician