Oneida is an unincorporated community and former census-designated place (CDP) in the Town of Oneida, Outagamie County, Wisconsin, United States. The population was 1,070 at the 2000 census. At the census, part of the CDP lay within the Town of Hobart, which has since incorporated as a village, in adjacent Brown County. Oneida is located on Wisconsin Highway 54.
The community lies near the center of the reservation of the federally recognized Oneida Nation of Wisconsin, for which it is named.