Caesar was included as one of the Nine Worthies by Jacques de Longuyon in Voeux du Paon (1312). These were nine historical, scriptural, mythological or semi-legendary figures who, in the Middle Ages, were believed to personify the ideals of chivalry.
Masters of Rome, a series of seven novels by the Australian writer, Colleen McCullough: The First Man in Rome (1991), The Grass Crown (1991), Fortune's Favorites (1993), Caesar's Women (1995), Caesar (1997), The October Horse (2002), and Antony and Cleopatra (1969).
Emperor, a series of five novels by the British writer, Conn Iggulden: The Gates of Rome (2003), The Death of Kings (2004), The Field of Swords (2005), The Gods of War (2006), and The Blood of Gods (2013).
Marius' Mules, a series of six novels by the British writer S. J. A. Turney, written from the point of view of a legate of the 10th Legion, Marcus Falerius Fronto: The Invasion of Gaul (2009), The Belgae (2010), Gallia Invicta (2011), Conspiracy of Eagles (2012), Hades' Gate (2013), Caesar's Vow (2014).
Marching With Caesar, a series of six novels by the American writer R. W. Peake: Conquest of Gaul (2012), Civil War (2012), Antony and Cleopatra: Part I – Antony (2013), Anthony and Cleopatra: Part II – Cleopatra (2013), Rise of Augustus (2013), and Final Campaign (2013). Two related novels are Birth of the 10th Legion (2014), and Caesar Triumphant (2014), the latter written on the premise that Caesar avoids being assassinated.
The Centurion Chronicles, a series of two books by J. M. Garlock: The Centurion Chronicles (2012), and The Belgae (2013).
Caesar is depicted as Akihiko Sanada's ultimate persona in Persona 3.
Fallout: New Vegas depicts a dictator who patterns himself after the various Caesares, Julius in particular.
Julius Caesar appears as the leader of the Roman Empire in the Civilization series of strategy games.
Caesar is mentioned in Assassin's Creed: Brotherhood as a Templar and that his assassination by Brutus and other members of the Assassin Order is to prevent the Templars from gaining power in Rome. Brutus' account of the killing is told in Assassin's Creed: Project Legacy.