Brother of Publius Varius; sued by Atticus's uncle Q. Caecilius for receiving property from Varius by fraud (Att 1.1.3-4). He cultivated L. Domitius and Cicero and had helped Cicero and Quintus in their canvasses, putting Cicero in an awkward position when Caecilius asked him to appear against Satyrus. Distinct from the Caninius Gallus and Caninius Rebilus entities.