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:
His brother Lee Mason Fitzhugh was also a noted architect who designed the First United Methodist Church, Glendale, AZ