Several Romans bore the praenomen Appius (abbreviated Ap.) :
- Appius Claudius, decemvir of the 5th century BC
- Appius Claudius Caecus, politician of the 4th and 3rd century BC, builder of the Appian Way
- Appius Claudius Caudex, consul 264 BC
- Appius Claudius Pulcher, consul 212 BC
- Appius Claudius Pulcher, consul 185 BC
- Appius Claudius Pulcher, politician of the 2nd century BC
- Appius Claudius Pulcher, politician of the 1st century BC
- Appius Claudius Pulcher, son of previous and also politician
- Appius Claudius Pulcher, adoptive nephew of previous and consul in 38 BC
- Gaius Octavius Appius Suetrius Sabinus