Paac Ciinak is a census-designated place (CDP) in Shawano County, Wisconsin, United States. As of the 2020 census, it had a population of 83. On older federal topographic maps, the community is shown as Potch-Chee-Nunk or Potch Che Nunk.
The community is in western Shawano County, on land of the Ho-Chunk Nation of Wisconsin. It is bordered to the west by U.S. Route 45, which leads southward to Wittenberg and northwestward to Eland. The Middle Branch of the Embarrass River flows southward through the western side of the community.