Ludin is a surname. Notable people with the surname include:
- Atiqullah Ludin, Afghan politician
- Fereshta Ludin (born 1972), German-Afghan teacher
- Hanns Ludin (1905–1947), German diplomat
- Jawed Ludin (born 1973), Afghan politician
- Malte Ludin (born 1942), German diplomat
- Walter Ludin (1908–1964), Swiss coxswain