Leah Clark is an American voice actress, ADR director, and scriptwriter based in the Dallas-Fort Worth area, primarily known for her extensive work with Funimation (now Crunchyroll) in English dubs of Japanese anime series. Born on December 24, 1979, in Albuquerque, New Mexico, she studied music theatre at the Circle in the Square theatre school in New York City before transitioning into voice acting.

Clark has been active in the voice acting industry since 1999, building a prolific career with roles across a wide spectrum of genres. One of her most recognized performances is as the villain Himiko Toga in the long-running hit series My Hero Academia. She also took on the leading role of Kobayashi in the beloved comedy Miss Kobayashi's Dragon Maid and its sequel. In the fantasy series Fairy Tail, she voices the founding master Mavis Vermillion. Other prominent roles include the hyperactive Mio Naganohara in Nichijou, the cunning witch Blair in Soul Eater, Kobachi Osaragi in Kaguya-sama: Love is War, Saki Morimi in Eden of the East, Minami Shimada in Baka and Test, and Frenda Seivelun in both A Certain Scientific Railgun and A Certain Magical Index series. She has also appeared in numerous other series, including Pop Team Epic as Pipimi, How Heavy Are the Dumbbells You Lift? as Satomi Tachibana, Classroom of the Elite as Airi Sakura, and Dr. Stone: New World as Amaryllis.

Beyond performance, Clark is a significant creative contributor behind the scenes, working extensively as an ADR scriptwriter for Funimation. She has written scripts for a wide range of shows, including How NOT to Summon a Demon Lord, Space Battleship Tiramisu, A Certain Magical Index III, Panty & Stocking with Garterbelt, Suzuka, and Baka and Test. She has also taken on ADR director duties for projects such as Sasami: Magical Girls Club and Strain: Strategic Armored Infantry.

Her work has earned recognition within the industry. She won the Behind the Voice Actors People's Choice award for Best Female Supporting Vocal Performance in an Anime Television Series/OVA for her role as Minatsuki Takami in Deadman Wonderland. In addition to anime, her voice can be heard in video games such as Smite and Borderlands II. Clark is also a regular guest at anime conventions across the United States and co-created a YouTube channel called Laure & Clark Explore with Morgan Laure Garrett, which documents their experiences at conventions and within anime subculture.