George Horace Gallup Jr. (April 9, 1930 – November 21, 2011) was an American pollster, writer and executive at The Gallup Organization, which had been founded by his father, George Gallup.^[2] Gallup expanded the scope of the Gallup Poll to encompass a wider variety of topics, ranging from the outlook of American young people to religious beliefs.^[2]

Much of Gallup's writings and research focused on religion and spirituality in the United States.^[2] His works included The Saints Among Us, published in 1992, and The Next American Spirituality, published in 2002.^[2]

Born in Evanston, Illinois, Gallup graduated from the Lawrenceville School in 1948^[3] and received a bachelor's degree in religion from Princeton University in 1953.^[2] In 1954, Gallup joined his father's polling company, The Gallup Organization, where he worked until his retirement in 2004.^[2] He and his brother, Alec Gallup, became co-chairmen of the company upon their father's death.^[4]

George Gallup was diagnosed with liver cancer in 2010. He died in Princeton, New Jersey, on November 21, 2011, at the age of 81.^[2]

He was married to Kingsley Hubby, with whom he had three children. He was an Episcopalian, who once considered the ministry but instead served as an active layman.^[1]