Oldfield is an unincorporated community in Christian County, Missouri, United States. It is located 2.6 miles (4.2 km) southeast of Sparta at the intersection of Route 125 and Route T. Chadwick lies 3.2 miles (5.1 km) to the southeast on Route 125. The elevation is 1,381 feet. The community is part of the Springfield, Missouri Metropolitan Statistical Area.