Titinius may refer to:
Lucius Titinius Pansa Saccus, consular tribune in 400 BC and 396 BC Marcus Titinius, magister equitum in 302 BC Gaius Titinius Gadaeus, bandit in slave revolt used by Gaius Marius
Titinius (poet), poet, earliest known composer of tabernariae, survived Terence, only fragments extant Titinius (centurion) (died 42 BC), soldier who fought at the Battle of Phillipi in the army of Gaius Cassius Longinus Gnaeus Octavius Titinius Capito, official and writer in the 1st–2nd century AD
See also Titinia gens