Titus Didius was a Roman general and politician.
He first held office in 103 BC as a Tribune of the Plebs.
Two years later he was elected a Praetor. During this time he fought in Macedon, defeating the Scordisci and earning his first triumph upon his return in 100 BC. In 98 BC Didius was elected Consul alongside Q. Caecilius Metellus Nepos. Along with restoring the Villa Publica, he enacted a law which disallowed combining two unrelated proposals in one bill.
After his term as consul, he was rewarded with the governorship of the province of Hispania Citerior, where he served from 97 BC to 93 BC.
Nearly his entire proconsul term over Spain was spent at war with the Celtiberi. In the four years Didius governed Spain he achieved multiple victories and is said to have slain 20,000 Arevaci, quelled the rebellious city of Termes and successfully executed a nine month siege of Colenda, ending in the selling the city’s women and children as slaves.
After concluding his service in Spain, Didius served as a legate in the Social War, under Lucius Julius Caesar in 90 BC, then Lucius Porcius Cato and Sulla in 89 BC.
Shortly following a successful capture of Herculaneum, he died in battle June 11, 89 BC.