Mayu Loh is a voice actor and former child star known for work in Korean-language dubs of animated series and appearances in film. Born in 1968 in Incheon, South Korea, Loh began her career as a child actress in the early 1970s. Her early film work included a role in the 1973 film Hippie Killer, followed by a part as Little Girl in the 1978 film The Girl Who Ran After Butterflies.

Loh transitioned into voice acting, providing the Korean dub voice for the character Lun Lun in the 1979 Korean version of the Japanese animated series Flower Angel, known in English as Manga Sarasuke or simply Angel. In 1984, she voiced the role of Pinky in the Korean-language version of the Japanese anime series Fushigi na Koala Blinky, which is also known as The Wonderous Koala Blinky or Noozles. Pinky is the pink koala sister of the main character Blinky, who comes from the magical realm of Koala-Walla Land. In the following year, 1985, Loh provided the voice for the title character in the film Robby the Rascal.

Beyond her work in animation, Loh continued to appear in live-action films. In 2000, she played the role of The School Nurse in the horror film The Rec... and also portrayed the Arisian mentor in Lensman: Power of the Lens. Loh also performed voice work for the Korean dub of the American animated series The Simpsons, providing the voice for the character Bart Simpson.