Pie is a surname. People with the surname include:
Bruce Pie (1902–1961), Australian politician
Christina Pie, American poker player
Félix Pie (born 1985), Dominican baseball player
Louis-Édouard-François-Desiré Pie (1815–1880), French Catholic cardinal
Ntot Ngijol Jean Pie (born 1986), Cameroonian footballer
Lao Pie-fang, Chinese general and guerrilla leader during World War II