Orrin Grant Hatch (born March 22, 1934) is a Republican United States Senator from Utah, serving since 1977.

Hatch is a member of the U.S. Senate Committee on Finance, where he serves on the subcommittees on Energy, Natural Resources, and Infrastructure and Taxation and IRS Oversight. Hatch is also on the Select Committee on Intelligence, the Committee on the Judiciary, and the Health, Education, Labor and Pensions Committee, as well as the Joint Committee on Taxation. He also serves on the Board of Directors for the United States Holocaust Memorial Museum.

Hatch, first in his family to attend college, attended Brigham Young University and, in 1959, received a degree in History. In 1962, he received a J.D. from the University of Pittsburgh Law School. As a law student, he worked as a janitor, a construction worker in the Wood, Wire and Metal Lathers Union (putting up walls over various kinds of lath), and a dormitory desk attendant.