Cass County Courthouse or Cass County Court House may refer to:
Cass County Courthouse (Missouri), Harrisonville, Missouri Cass County Courthouse (Illinois), Virginia, Illinois, one of Illinois' county courthouses Cass County Courthouse (Michigan), Casspopolis, Michigan, a Michigan State Historic Site Cass County Courthouse (Iowa), Atlantic, Iowa Cass County Courthouse (Nebraska), Plattsmouth, Nebraska Cass County Court House, Jail, and Sheriff's House, Fargo, North Dakota Cass County Courthouse (Texas), Linden, Texas