The Prince of Tennis (Tenisu no Ōjisama) is a popular Japanese shōnen manga series written and illustrated by Takeshi Konomi.

The manga was first published in Japan in Shueisha's Weekly Shōnen Jump in July 1999, and ended publication on March 3, 2008. A total of 379 chapters and 42 volumes were serialize with 40 million copies has sold all over Japan.

The new manga series, entitled New Prince of Tennis, began serialization in the Jump Square magazine on March 4, 2009, with the story taking place several months after the end of the original manga.

Ryoma Echizen, a freshmen who attends Seishun Academy (Seishun Gakuen), or Seigaku for short, a private school which is known for being one of the most competitive teams in Japan. Ryoma with four straight American junior tournament titles, challenges the rule of Seishun Gakuen which is not allowed a freshmen to play in tournaments until summer. He defeats numerous upperclassmen to make himself one of the team's regulars. In pursuit of their ultimate goal of winning the National Middle School Tennis Championship, members of the team build a strong friendship while learning and mastering a high class techniques. Ryoma also begins to develop his own style of tennis, and eventually realizes what the sport really means to him.