Takuto Yokoyama is a Japanese voice actor affiliated with the agency Aptepro. He was born on December 11th and is a native of Nara Prefecture. He is a graduate of the sixth term of Aptepro's affiliated training school. His hobbies and skills include watching plays, taking walks, playing soccer, performing rap, and speaking the Kansai dialect.

Yokoyama's debut role was as Catarina's father in the 2020 anime series My Next Life as a Villainess: All Routes Lead to Doom!. He has since taken on a variety of minor and supporting roles in television animation. His subsequent anime credits include brief appearances in CUE!, TRIGUN STAMPEDE, and Magical Destroyers. In 2024, his roles included a corpse soldier in Arifureta: From Commonplace to World's Strongest Season 3. He also voices the character Asegiri Ken in the 2025 project High School! Kimengumi. His work extends to original video animation, such as reprising his role as Catarina's father for an OAD of the same series.

In addition to animation, Yokoyama has contributed to several video games. He voiced the character Catarina's father in the Nintendo Switch game based on the series, My Next Life as a Villainess: All Routes Lead to Doom! -The Pirates Calling for a Storm-. His other game credits include the online game TERA, the mobile app Yumeiro Fantasy Latale, and Switch game Meikatsu Katsugeki Haikara Ryuseigumi. He has also performed voice work for drama CDs and commercial manga videos.

While a search for his role as Ketekira in the series Ainu Teisōnin・ Kira Heijirō ～Ainu Nenoan Ainu～ was not successful, the provided information confirms Yokoyama as a working actor with a steady career in the Japanese voice acting industry, primarily in supporting roles across various media.