Karen Hernandez is a Mexican voice actress, dubbing actress, and announcer known for her work in the Latin American Spanish dubs of various anime series. She has built a career voicing prominent characters in several popular shows. Her notable roles include providing the voice for Touka Kirishima across all seasons of the Tokyo Ghoul anime, including Tokyo Ghoul:re. She is also recognized for her performance as Zenith Greyrat, the mother of the protagonist, in the first season of Mushoku Tensei: Jobless Reincarnation, a dub produced by Funimation at Haymillian México studio in Cuernavaca.

Beyond these roles, Hernandez's filmography encompasses a wide range of characters in the fantasy and action genres. She voiced the determined Hiyori Iki in Noragami and the obsessive Yuno Gasai in The Future Diary. Her other anime credits include Chain Sumeragi in Blood Blockade Battlefront and its sequel, Kirara Hazama in both seasons of Assassination Classroom, a role as a race announcer in Appare-Ranman!, and a guest role as Elma in Why Raeliana Ended Up at the Duke's Mansion. In addition to her work in front of the microphone, Hernandez has also contributed as an ADR director for the Latin Spanish dub of the series Lycoris Recoil, showcasing her expanded role in the dubbing industry.