Smithfield is a village in Gosper County, Nebraska, United States. It is part of the Lexington, Nebraska Micropolitan Statistical Area. The population was 68 at the 2000 census.
Smithfield is located at 40°34′20″N 99°44′29″W / 40.57222°N 99.74139°W / 40.57222; -99.74139 (40.572120, -99.741350).
According to the United States Census Bureau, the village has a total area of 0.2 square miles (0.4 km²), all of it land.