Thornton Fitzhugh (1864–1933) was an American architect. Among his major works are the Beaux Arts and Romanesque Pacific Electric Building in downtown Los Angeles, California, and a number others which are listed on the U.S. National Register of Historic Places.
For part of his career he worked in a partnership, Fitzhugh, Krucker and Deckbar.
Works include:
Pacific Electric Building, (1902–1904), 610 S. Main St., downtown Los Angeles, CAHighland Park Presbyterian Church #1, (1903), Highland Park neighborhood, Los Angeles, CAMayfair Apartments, (1906), Los Angeles, CABank of Highland Park Building, (1906), Highland Park neighborhood Los Angeles, CAMrs. J.H. Newell and Miss Anna B. Clarkson House, (1907), Los Angeles, CAS.R. Jordan House, (1908) Venice neighborhood, Los Angeles, CAWatkins and Belden Hotel Project, (1913), Los Angeles, CATrinity Auditorium Building, (1911–1914), Los Angeles, CACooper Arms Apartments, (1923), Long Beach, CAG.E. Noll Building, Phoenix, Arizona, NRHP-listedGlendale Woman's Club Clubhouse, 7032 N. 56th Ave. Glendale, Arizona, NRHP-listedFirst Presbyterian Church (San Luis Obispo, California) (1904)His brother Lee Mason Fitzhugh was also a noted architect who designed the First Methodist Church, Glendale, AZ