Yūhei Takagi, also known as Yuuhei Takagi, is a Japanese voice actor born on June 23, 1986, in Kagawa Prefecture, Japan. He stands 167 cm tall. Takagi is best known as the voice of Gowther, the goat-like Sin of Lust of the Seven Deadly Sins, a role he has portrayed across nearly every installment of the franchise.

Takagi's career is defined by his long-running performance as Gowther in The Seven Deadly Sins anime series. He first voiced the character in the original The Seven Deadly Sins television series in 2014. He has since reprised the role in every subsequent season, including The Seven Deadly Sins: Signs of Holy War, The Seven Deadly Sins: Revival of The Commandments, The Seven Deadly Sins: Imperial Wrath of The Gods, and The Seven Deadly Sins: Dragon's Judgement. Takagi has also voiced Gowther in the franchise's films, including The Seven Deadly Sins the Movie: Prisoners of the Sky, The Seven Deadly Sins: Cursed By Light, and The Seven Deadly Sins: Grudge of Edinburgh. Continuing into the next generation of the story, he also voices Gowther in The Seven Deadly Sins: Four Knights of the Apocalypse.

Outside of his signature role, Takagi has voiced supporting characters in other notable series. In the long-running series Naruto Shippuden, he played the role of Shira. His other anime credits include the role of Krovanh Olfred in the series Hundred.