Takeshi Yamamoto (山本武, Yamamoto Takeshi) is a fictional character in the Reborn! manga and anime series created by Akira Amano. Portrayed as one of the protagonist's first friends, Takeshi Yamamoto is introduced as a 14-year-old starting pitcher for his school's baseball team. Apart from the manga and anime, Yamamoto has also appeared in other media from the Reborn! franchise including video games.

Yamamoto's character has been well received by readers since his introduction, ranking as one of the most popular characters in every official Shonen Jump poll of the series. Publications for manga, anime and other media have commented on his character. Merchandise based on his appearance has also been released including key chains and action figures.