Pepe Vielhaben is a German voice actor known for his work in dubbing films and television series. He was born in 2011 and resides in Henstedt-Ulzburg, Germany, working primarily as a child voice actor performing roles for characters ranging from approximately seven to seventeen years of age.

In the field of anime, Vielhaben is known for providing the German voice of Lubicchi in the 2020 animated film Poupelle of Chimney Town, also released under the title Poupelle und die andere Seite des Himmels. The German dubbed version of the film was released in 2023, and he took on the role originally performed in Japanese by actress Mana Ashida. The film is based on the Japanese children's book by comedian Nishi no Akihiro and follows a young chimney sweeper named Lubicchi who befriends a creature made of garbage named Poupelle as they seek to prove the existence of stars hidden above their town's smoky sky.

Beyond his work in anime, Vielhaben has an extensive career in German dubbing for international live-action productions. His notable film roles include voicing Henry Christmas-Hope in Father Christmas Is Back (2021) and Rufus in Der kleine Nick auf Schatzsuche (2021). In television, he has provided German voices for characters in several prominent series, including Kessler in Halo, Aethelstan in The Last Kingdom, Manny in Mr. Robot, and a young Prince Harald in Atlantic Crossing. He has also contributed to audiobook productions, including the German audiobook for J.K. Rowlings Jacks wundersame Reise mit dem Weihnachtsschwein.