Rainer Doering is a German actor and voice actor who has lent his voice to numerous characters in anime series and films for the German-language market. Born on March 23, 1957, in Berlin, he has been active in the voice acting industry since at least 1981 and comes from a family with a strong legacy in the field, being the father of voice actors Alexander Doering and Manja Doering.

Doering's voice can be heard across a wide spectrum of anime productions. He provides the German voice for Dillan in the series Skeleton Knight in Another World, and for Paka in The Ones Within. His other notable anime roles include Daysom in Ultramarine Magmell, Kazuma Matoba in Sword Gai: The Animation Part II, and Tetsurou Obata in the film Coo: Tōi Umi kara Kita Coo. He also voiced Otsu Sawatari in Zombie-Loan, Bruce in Coyote Ragtime Show, and Shu in Shin Kyūseishu Densetsu Hokuto no Ken: Raoh-den Junai no Shō, a film in the Fist of the North Star franchise.

Beyond the specific roles mentioned, Doering's career in anime voice work is extensive. He has taken on parts in major long-running series such as Detective Conan and Dragon Ball Z, for which he voiced the character Kami-sama. His repertoire includes characters in Vinland Saga, Tokyo Ghoul (as Akihiro Kanou), JoJo's Bizarre Adventure, and Black Butler, among many others.

While he has a prolific career in anime, Doering is also widely recognized for his voice work in other genres, most notably as the iconic German voice of the character General Grievous across multiple Star Wars projects, including films, animated series, and video games. This extensive and diverse body of work establishes him as a prominent and familiar voice in German dubbing.