Thomas Alan may refer to:
Thomas Alan Goldsborough (1877–1951), U.S. jurist and politician Thomas Alan Stephenson (1898–1961), British marine biologist Thomas Alan Abercrombie, writer and professor of anthropology Thomas Alan Waits, singer-songwriter See also
Alan G. Thomas (1911–1992), British bibliophile and Lawrence Durrell scholar Allen Thomas (1830–1907), Confederate States Army brigadier general Thomas Allan (1777–1833), Scottish mineralogist Thomas Allen (disambiguation) Tom Alan Robbins, American actor Tom Allen (born 1945), former member of the United States House of Representatives