Attacker You! (アタッカーYou!, Atakkā Yū!) is a 1984 Japanese manga series by Jun Makimura and Shizuo Koizumi published by Kodansha. An anime series, consisting of 58 episodes of 24 minutes each, was produced by Knack Productions and broadcast by TV Tokyo from April 13, 1984, to June 21, 1985. The DVD version was released in Japan on August 20, 2004.

The Attacker You! anime, despite mediocre ratings in Japan, achieved a strong level of popularity in several European countries, including Italy (Mila e Shiro, due cuori nella pallavolo), France (Jeanne et Serge), Spain (called both Dos fuera de serie and Juana y Sergio), Portugal (Joana e Sérgio, O Desafio dos Anjos) and Poland (Pojedynek Aniołów). The anime has been rerun several times in Italy since its original broadcast there, and the manga was also released in Italy. As of summer 2020, no incarnation of the anime has been licensed in North America.