Mark Lunsford Pryor (born January 10, 1963) is an American politician and the junior United States Senator from Arkansas, serving since 2003. A member of the Democratic Party, he holds the same seat in the U.S. Senate once held by his father, David Pryor, from 1979 to 1997.
Pryor was born in Fayetteville, the seat of Washington County in Northwest Arkansas, to the former Barbara Lunsford and former Governor and U.S. Senator David Hampton Pryor. He is married to Jill Pryor, and has two children, Adams and Porter, as well as a dog named Nic. He received both his bachelor's and Juris Doctor (J.D.) degrees from the University of Arkansas at Fayetteville and was a member of the Sigma Alpha Epsilon fraternity.
Prior to entering politics, Pryor worked as a private practice attorney. He was a member of the Arkansas House of Representatives from 1991 to 1994. He was elected the state Attorney General in 1998 and was a delegate to the Democratic National Convention in 2000.