Judah is a Jewish surname. Notable people with the surname include:
Henry M. Judah, American soldier
Theodore Judah, American engineer who dreamed of the first transcontinental railroad
Gerry Judah, Artist and Designer
Ben Judah, Journalist and author
Tim Judah, historian and journalist
Yoel Judah, American 3x world champion kickboxer and boxer & trainer
Zab Judah ("Super"), American world champion junior welterweight & world champion welterweight boxer