Lake Arthur

Lake Arthur may refer to:


 * Canada
 * Lake Arthur (Quebec), a lake in the Côte-Nord administrative region, Quebec.


 * New Zealand
 * Lake Arthur (West Coast), a lake in the West Coast region, South Island
 * Lake Rotoroa (Tasman), formerly known as Lake Arthur


 * United States
 * Lake Arthur, Louisiana, a town in Jefferson Davis Parish
 * Lake Arthur (Minnesota), a lake in Polk County
 * Lake Arthur, New Mexico, a town in Chaves County
 * Lake Arthur, Pennsylvania, a lake in Butler County
 * Lake Arthur (Washington), a lake in Spokane, next to Gonzaga University
 * USS Lake Arthur (ID-2915), a ship in the United States Navy named after the Louisiana town