Ludy is a surname and a given name. Notable people with the name include:
Given name: Ludy T. Benjamin (born 1945), American psychologist & historian of psychology Ludy Godbold (1900–1981), American track and field athlete Ludy Kissassunda (1932–2021), Angolan general and politician Ludy Langer (1893–1984), American competition swimmer and world record holder Ludy Pudluk (1943–2019), Canadian territorial level politician and cabinet minister
Surname: Adam Edward Ludy (1831–1910), American Civil War veteran Eric Ludy (born 1970), author, speaker, president of Ellerslie Mission Society Franz Josef Ludy (born 1933), German serial killer who killed four people Leslie Ludy (born 1975), American Christian author, speaker, and editor Salomao Ludy (born 2002), Angolan professional footballer