Johnson County Courthouse ist der Name folgender im NRHP gelisteten Objekte:

Johnson County Courthouse (Arkansas), ID-Nr. 91000680 Johnson County Courthouse (Georgia), ID-Nr. 80001101 Johnson County Courthouse (Iowa), ID-Nr. 75000692 Johnson County Courthouse (Old Public Sq., Warrensburg, Missouri), ID-Nr. 70000338 Johnson County Courthouse (Courthouse Sq., Warrensburg, Missouri), ID-Nr. 94000288 Johnson County Courthouse (Nebraska), ID-Nr. 89002246 Johnson County Courthouse (Texas), ID-Nr. 88000439 Johnson County Courthouse (Wyoming), ID-Nr. 76001951