Troilus (disambiguation)

Troilus is a legendary Trojan whose fate is linked to that of Troy in the Trojan War.

Troilus may also refer to:
 * Troilus of Elis (4th century BC), Greek athlete
 * Troilus (philosopher), a sophist of the 4-5th century in Constantinople
 * USS Troilus (AKA-46), an Artemis class attack cargo ship
 * Troilus (bug), a genus of bugs in the family Pentatomidae
 * 1208 Troilus, an asteroid
 * Lake Troilus, a lake in Quebec
 * Troilus and Cressida, a play by William Shakespeare