Mio Lechenmayr is a German voice actor known for their work in dubbing, particularly for anime series and films. Their professional career began in childhood, and they have built a portfolio of notable roles in the German-language versions of popular Japanese animations.

Lechenmayr's involvement in performance and voice work started at an early age. They have been active as a dubbing and commercial speaker since the age of four. During their school years, they participated in theater and were a member of the Munich Boys' Choir, as well as an active participant in school choir and orchestra. Following their graduation from secondary school, they pursued professional training as a speaker, receiving coaching from Carola von Seherr-Toss. This training led to a career as a professional voice actor, encompassing work in dubbing, radio plays, and other audio productions.

In the field of anime, Lechenmayr has lent their voice to a wide array of characters. This includes the role of Kazushi Kine in Domestic Girlfriend, Hiroto Suzuki in The Day I Became a God, Luca Esposito in Astra Lost in Space, and Kento Hinode in the film A Whisker Away. They are also the German voice of the Champion Leon in Pokémon Journeys: The Series and portray Kouki Amenogawa in Arifureta - From Commonplace to World's Strongest.

Beyond the roles specified, Lechenmayr's voice work in anime extends to other significant productions. Their credits include the character Kanba Takakura in Penguindrum, young Shin in Dorohedoro, and Jaga Imo in The Eminence in Shadow. They have also voiced Rikuya Yoshida in High-Rise Invasion, Yoshito Godo in My Happy Marriage, Toru Shinozaki in the film Ni no Kuni, and a young Kojirou Sasaki in Record of Ragnarok. Additional roles include Krad in Reincarnated as a Sword and Momonosuke Kouzuki in One Piece.

In addition to anime, Lechenmayr is active in other areas of voice acting. This includes work in German dubbing for other animated productions, such as providing the voice of Mo in the German dub of the series 50/50 Heroes, titled Halbe Helden. They are also involved in audiobook and radio play productions, for example as the narrator for the audio book Der Tunnelbauer by Maja Nielsen.