George Williamson may refer to:
- George Williamson (footballer, born 1925) (1925–1994), English footballer
- George Williamson (Australian footballer) (1866–1929), Australian rules footballer
- George Hunt Williamson (1926–1986), UFO contactee
- George Henry Williamson (1845–1918), British Member of Parliament for Worcester, 1906
- George H. Williamson (1872–1936), American architect
- George M. Williamson (architect) (1892–1979), American architect
- George Williamson (diplomat) (1829–1882), US ambassador
- George A. Williamson (born 1938), American politician in the state of Florida
- George Williamson (academic) (1898–1968), professor of English
- George Williamson (North Carolina politician), American sheriff and politician in North Carolina
- G. C. Williamson (George Charles Williamson, 1858–1942), British art historian, antiquarian, and author