George William Kelham (1871–1936) was an American architect, he was most active in the San Francisco Bay Area.

Born in Manchester, Massachusetts, Kelham was educated at Harvard University and graduated from the Ecole des Beaux-Arts in 1896.^[1] As an employee of New York architects Trowbridge & Livingston, he was sent by the firm to San Francisco for the Palace Hotel in 1906 and remained there after the. building completion in 1909.^[1][2]

Kelham was responsible for the master plan for the Panama–Pacific International Exposition in San Francisco, did significant work on Treasure Island for the Golden Gate International Exposition in 1938,^[3] and designed at least five major buildings in the city,^[1] along with significant work in Salt Lake City and Los Angeles. He was also supervising architect for the campus of the University of California, Berkeley from 1927 to 1931.^[2]

Kelham's works include:

• Sharon Building (1912), San Francisco, California.
• Ganter & Mattern Company Building (1912), San Francisco, California; now the California Institute of Integral Studies
• Griffith-McKenzie Building (1914), Fresno, California; Fresno's first skyscraper, now Helm Building
• Panama-Pacific International Exposition (1915), supervising architect
• The old San Francisco Public Library (1917), now the Asian Art Museum of San Francisco^[1]
• Farmers' and Merchants' Bank (1917), Stockton, California
• Roble Hall (1917), dormitory for women at Stanford University, Stanford, California
• Bay Terrace Subdivision (1918), 126 individual buildings as housing for Mare Island Naval Shipyard workers, Vallejo, California
• Standard Oil Building (1922), at 225 Bush Street, San Francisco, California
• Federal Reserve Bank of San Francisco (1924), 400 Sansome Street, San Francisco, California, NRHP-listed^[4]
• Delia Fleishhacker Memorial Building (1925), Zoo Rd. and Sloat Blvd., San Francisco, California, NRHP-listed^[4]
• Standard Oil Building (1926), at 605 West Olympic Boulevard, Los Angeles, California
• Russ Building (1927), San Francisco, California
• University of California, Los Angeles, supervising architect for the Westwood campus (1927), including the design for Powell Library, Haines Hall, Kerckoff Hall, Moore Hall and the Men's Gym
• Shell Building, (1929) San Francisco, California
• University of California, Berkeley,^[2] supervising architect for multiple individual buildings including: Bowles Hall, 1928;^[4] Valley Life Sciences Building, 1930;^[5][6] International House, 1930;^[7] Moses Hall, 1931; McLaughlin Hall, 1931; Davis Hall, 1931; Edwards Stadium, 1932; Haas Pavilion/Harmon Men's Gym, 1933,
  • Bowles Hall (1928), Stadium and Gayley Way, Berkeley, California (Kelham, George), NRHP-listed^[4]
• Administration Building, Treasure Island (1938), SE Corner of Avenue of the Palms and California Ave., Treasure Island, California (Day, William Peyton; Kelham, George William), NRHP-listed^[4]
• Hall of Transportation, Treasure Island. (1938), SE Side of California Ave. between Aves. D & F, Treasure Island, California (Day, William Peyton; Kelham, George William), NRHP-listed^[4]
• Court of the Moon (1938), Golden Gate International Exposition, Treasure Island, California^[3]