Adrian Michael Smith is an American politician serving as the U.S. representative for Nebraska's 3rd congressional district since 2007. A member of the Republican Party, he represented the 48th district in the Nebraska Legislature from 1999 to 2007. Smith is the dean of Nebraska's congressional delegation.

Nebraska's 3rd congressional district is a congressional district in the U.S. state of Nebraska that encompasses its western three-fourths; it is one of the largest non-at-large districts in the country, covering nearly 65,000 square miles (170,000 km2), two time zones and 68 counties. It includes Grand Island, Kearney, Hastings, North Platte, Alliance, and Scottsbluff. Additionally, it encompasses the Sandhills region and a large majority of the Platte River. With a Cook Partisan Voting Index rating of R+29, it is the most Republican district in Nebraska, a state with an all-Republican delegation.