Helwig is a German surname. Notable people with the surname include:
Andreas Helwig (1572–1643), German classical scholar and linguistDavid Helwig (born 1938), Canadian poetHans Helwig (1881–1952), German Nazi concentration camp commandantJohn Helwig (1927–1994), American football playerMaggie Helwig (born 1961), Canadian poetMartin Helwig (1516–1574), German cartographer from SilesiaPaul Helwig (1893–1963), German stage-manager, script-writer, philosopher and psychologist