Tillinghast

Tillinghast may refer to:


 * Tillinghast (surname), an English surname
 * Tillinghast L'Hommedieu Huston (1867–1938), American businessman, owner of New York Yankees, circa 1915
 * Tillinghast Mill Site, a Registered Historic Place in Rhode Island, United States
 * Tillinghast Road Historic District, a Registered Historic Place in Rhode Island, United States
 * Tillinghast Licht, a now defunct law firm in Rhode Island, United States
 * Tillinghast, Nelson & Warren Inc., an American company that is now a part of Willis Towers Watson