George Petty, an early pin-up artist Henry Petty-Fitzmaurice, 3rd Marquess of Lansdowne, British politician Henry Petty-Fitzmaurice, 5th Marquess of Lansdowne, British politician and Irish peer William Petty-Fitzmaurice, 1st Marquess of Lansdowne, 2nd Earl of Shelburne, British Prime Minister and Irish peer Richard Petty, NASCAR driver Thomas Earl Petty, an American musician Sir William Petty, British scientist W. Morgan Petty. made-up writer