三斑天竺鲷，为辐鳍鱼纲鲈形目鲈亚目天竺鲷科的其中一种，俗名三线天竺鲷、大面侧仔。

本鱼分布于西太平洋区，包括可可群岛、泰国、香港、日本、越南、马来西亚、新加坡、澳洲、菲律宾、印尼、巴布亚新几内亚、马绍尔群岛、马里亚纳群岛、密克罗尼西亚、所罗门群岛、帕劳、东加、萨摩亚群岛等海域。该物种的模式产地在Buro。

Pristicon trimaculatus is a nocturnal fish that lives in the Western Pacific Ocean; living around inshore coral reefs in waters around the Ryukyu Islands and the waters around Western Australia and the southern Great Barrier Reef, east to Samoa and the Marshall Islands. This type of fish is uncommon. Juveniles have intense dark markings on a light background while adult's markings are dusky.