Thomas Al(l)ison may refer to:
Thomas Allison (explorer) (fl. 1697), English Arctic voyager and diarist Tom Allison (Australian footballer) (born 1944), Australian rules footballer Tom Allison (English footballer) (1921–2010) Tom Allison (baseball) (born 1967), American baseball player and executive Tommy Allison (1875–1961), Scottish footballer Thomas Alison (painter) (1860–1931), painter
See also Allison (surname) Thomas Allason (1790–1852), British architect