Middlesex County Courthouse

Middlesex County Courthouse may refer to:


 * Middlesex County Courthouse (Massachusetts), Cambridge, Massachusetts
 * Eastern Middlesex County Second District Court, Waltham, Massachusetts, listed on the National Register of Historic Places (NRHP)
 * Middlesex County Courthouse (Saluda, Virginia), NRHP-listed
 * Middlesex County Courthouse (Urbanna, Virginia), NRHP-listed
 * Middlesex County Court House (London, Ontario), Canada