Jaks Field (ICAO: 56WI) is a privately owned general aviation airfield located near Mosinee, Wisconsin, in the United States. It serves as a small local facility primarily for private and recreational flying rather than commercial operations. As a private-use airfield, Jaks Field does not support scheduled airline service or significant commercial traffic. It is typical of the many small grass or turf strips found throughout rural Wisconsin, catering to light aircraft operations.