Manuel von Radvanyi is a German voice actor born in Munich in 1986. He is the son of dubbing director Marika von Radvanyi. His work is primarily in the field of anime dubbing for the German-language market. According to available records, his career in voice acting includes a total of seven speaking roles.

Among his known roles are parts in several notable anime series from the late 1990s and early 2000s. He voiced the characters Amiboshi and Suboshi, twin brothers played by actor Yuuji Ueda, in the series Fushigi Yuugi: The Mysterious Play. He also provided the voice for the character Leon, played by Hiro Yuuki, in the series Shamanic Princess. His role as Akanes Freund in Maho Tsukai Tai! Magic User's Club is also documented.

His most prominently cited role is that of Mamoru Torigai in the series RahXephon, where he voiced the character as portrayed by the original Japanese actor Hirofumi Nojima. This role has been recognized across different dubbing databases. No specific information about recurring collaborations with other actors, directors, or notable industry achievements could be confirmed from the available search results.