Mathieu Doang is a French voice actor known for his work in anime dubbing. He is most recognized as the French voice of the protagonist Setsuna F. Seiei in the anime series Mobile Suit Gundam 00, a role he performed in both the first and second seasons of the show. In this capacity, he voiced the character also known by his real name, Soran Ibrahim. Beyond the main series, his work on the Gundam 00 franchise extended to the Mobile Suit Gundam 00 Special Edition compilation films, which featured re-recorded dialogue.

Apart from his signature role in the Gundam franchise, Doang has lent his voice to several other anime characters. His other roles include Kuchiki in the series Genshiken, Tenma Morimura in Haruka: Beyond the Stream of Time, and Jack in MÄR. He also contributed ambient voice work and voiced the Roublards characters in the French animated series Wakfu.

In addition to his work on animated series, his career includes voice acting for video games, notably working on the major title Skull and Bones from Ubisoft. He has also served as a voice director for a well-known virtual reality gaming brand, working on French voiceover production. Doang is a native French speaker and is also fluent in English.