and HIV/AIDS activist Thomas Hannan (Virginia settler) (1757–1835), American settler and Revolutionary War soldier Tommy Hannan (born 1980), American Olympic swimmer Tina Hannan, United Kingdom writer William Hannan (1906—1987), Labour Member of Parliament in the United Kingdom William Hannon (1879–1950), president of St. Ambrose University Hannon may also refer to: Point Hannon, a sand spit in Hood Canal See also Hanon Hanlon Hanno Surnames Surnames of Irish origin Surnames of British Isles origin