Constantine

Constantine is a name with several possible holders, many of whom were royalty or leaders.

Only one name

 * Constantine I, Roman Emperor
 * Constantine (The Parliament of Rats) (PROSE: The Parliament of Rats)
 * Constantine (The Shadows of Avalon) (PROSE: The Shadows of Avalon)
 * Constantine (The Empty Child), a medical doctor seen in The Empty Child and The Doctor Dances
 * Constantine (Zeta Major), Arch-Cardinal and head of the Morestran Church on Alpha Major, featured in PROSE: Zeta Major

As first name

 * Constantine Ethelred Gurney (TV: The Infinite Quest)

Actors

 * Susannah Constantine, who played Zu-Zana in Bad Wolf