The Zentradi are a fictional, militaristic race of alien, humanoid giants and often the main antagonist in Macross media mix and its Robotech (1985) cartoon adaptation.

Macross is a Japanese science fiction mecha anime media franchise/media mix, created by Studio Nue and Artland in 1982. The franchise features a fictional history of Earth and the human race after the year 1999, as well as the history of humanoid civilization in the Milky Way. It consists of four TV series, four movies, six OVAs, one light novel, and five manga series, all sponsored by Big West, in addition to 40 video games set in the Macross universe, two crossover games, and a wide variety of physical merchandise.