Vettulenus is an ancient Roman nomen gentilicium. Notable people with this nomen include:

Sextus Vettulenus Cerialis, Roman senator Marcus Vettulenus Civica Barbarus, Roman senator Gaius Vettulenus Civica Cerealis (died 88), Roman senator Sextus Vettulenus Civica Cerialis, Roman senator

de:Gens Vettulena