Shuuto Washio (born December 27, 1987) is a Japanese actor and TV personality. He is affiliated with Toki Entertainment.

He was born in Tokyo. When he was affiliated with Star Beat Entertainment LLC, he was a member of the GEKIIKE theater company, which was run by the company. He is 180 cm tall and wears size 26.5 cm shoes. His special skills are soccer, ball-lifting, building houses, and crane games. His hobbies are reading manga, collecting figurines, watching anime, playing games, and Pokémon cards. His motto is "Take it easy." Before becoming an actor, he was a civil engineering craftsman. His favorite drink is Calpis. His favorite food is yakisoba noodles without toppings. His must-have item is lip balm. He is a big Dragon Ball fan and often talks about it on his streams and at events.

Since 2013, he has appeared in the musical "Nintama Rantaro" as Choji Nakazaike. Between that year and 2014, he was also a member of the unit ZEN THE HOLLYWOOD, which was derived from the novel "Shounen Hollywood."