Trunks (Japanese: トランクス, Hepburn: Torankusu) is a fictional character in the Dragon Ball manga series created by Akira Toriyama. Within the series, he is the half-Saiyan half-Human son of Vegeta and Bulma and has at least two noteworthy incarnations. Trunks makes his debut appearance in chapter #331 "The Young Boy of Mystery", first published in Weekly Shōnen Jump magazine on July 2, 1991, as an unidentified young man who traveled back in time to warn series protagonist Goku and his allies of a deadly new enemy, the Androids of the Red Ribbon Army. This alternate future timeline incarnation of Trunks, who is usually referred to as "Future Trunks" (未来のトランクス, Mirai no Torankusu, "Trunks of the Future") in media to distinguish him from his present-timeline counterpart, is one of the Dragon Ball series' most popular characters and has been praised for his unique role within the series.

The present-timeline incarnation of Trunks is introduced as an infant during the story arc which features the first appearance of the Red Ribbon Androids. This version of Trunks makes recurring appearances as a major character in the Dragon Ball Z, Dragon Ball Super and various other media such as Dragon Ball GT and films produced by Toei Animation.