Faustus Cornelius Sulla Felix (22–62) is one of the lesser known figures of the Julio-Claudian dynasty of ancient Rome.

His grandmother is Antonia Major, the niece of Emperor Augustus by her husband Lucius Domitius Ahenobarbus (consul 16 BCE) (his maternal grandfather).

His mother is Domitia Lepida, a great niece of Emperor Augustus and granddaughter of Octavia Minor and Mark Antony.

His father is Faustus (II) Cornelius Sulla (see also Faustus Cornelius Sulla Lucullus III), suffect consul of 31 and a descendant of the dictator Lucius Cornelius Sulla.

He is also the half brother of the empress Valeria Messalina.