Castinus
| Flavius Castinus | |
|---|---|
| Born | unkown | 
| Died | unkown | 
| Occupation | General | 
| Office | Consul Patrician | 
| Military career | |
| Years | 419–425 | 
| Rank | comes domesticorum (419-422) Magister militum (422-425) | 
| Battles | Castinus campaign against the Franks Spanish campaign Roman civil war of 425 | 
Flavius Castinus was an influential Roman general and politician at the court of Emperor's' Honorius and Valentinian III, and most likely for some time before. He played a role in several military campaigns in Gaul and Hispania. He held the position of patricius and also served as consul for the year 424.