Zach Aguilar is an American voice actor known for his extensive work in English dubs of Japanese anime and video games. Born on February 21, 1998, he began his voice acting career in 2014 and has since become a prominent figure in the industry. His first major role was as Genos in the anime series One Punch Man.

Aguilar has voiced a wide array of leading and supporting characters. He is perhaps best known for his portrayal of the lead role Tanjiro Kamado in the global hit series Demon Slayer: Kimetsu no Yaiba, a role he has reprised for the series' sequels and films, including Mugen Train and the Entertainment District Arc. Another landmark performance was as David Martinez in the 2022 Netflix series Cyberpunk: Edgerunners, a role for which he won the award for Best Voice Artist Performance (English) at the 7th Crunchyroll Anime Awards. His other significant anime roles include Arthur Pendragon in The Seven Deadly Sins, Koichi Hirose in JoJo's Bizarre Adventure: Diamond Is Unbreakable, Nasa Yuzaki in TONIKAWA: Over The Moon For You, Otto Suwen in Re:ZERO -Starting Life in Another World-, Riku in Yashahime: Princess Half-Demon, and Genos in One Punch Man.

Beyond anime, Aguilar is equally prolific in video game voice work. He voices the male protagonist, Byleth, in Fire Emblem: Three Houses, a role he later reprised in Super Smash Bros. Ultimate and Fire Emblem Warriors: Three Hopes. He is also the voice of the male Traveler, Aether, in the massively popular game Genshin Impact. His other notable video game credits include Arrow in Soul Hackers 2, Ota Matsushita in the AI: The Somnium Files series, Luka Travers in Scarlet Nexus, and Sakuma in Like a Dragon Gaiden: The Man Who Erased His Name.

Throughout his career, Aguilar has demonstrated versatility, often portraying kind-hearted and determined protagonists but also taking on comedic, dramatic, and more subdued roles. He is represented by the talent agency Dean Panaro Talent. His performance in Cyberpunk: Edgerunners not only earned him a Crunchyroll Anime Award but also solidified his status as a leading talent in the English dubbing industry, celebrated for bringing some of pop culture's most iconic heroes to life.