Brimhall is a surname. Notable people with the surname include:
Cynthia Brimhall (born 1964), American model and B-movie actress
George H. Brimhall (1852–1932), President of Brigham Young University
George W. Brimhall (1814–1895), politician in territorial Utah
John Brimhall (1928–2003), American musical arranger and author of books on music composition, theory, and performance