Maju Helman is a Brazilian voice actress known for her work in Brazilian Portuguese dubbing of Japanese anime series. Her career in voice acting includes a range of supporting and recurring roles in prominent anime titles, primarily for dubs produced for the Brazilian market.

Helman is recognized for voicing Maisie May in the series Mobile Suit Gundam: The Witch From Mercury. She also performs the role of Ryou in the comedy series The Great Jahy Will Not Be Defeated! Her credits include the character Miu Midō in I Got a Cheat Skill in Another World and Ginny Fin de Salvan in The Greatest Demon Lord is Reborn as a Typical Nobody. In the culinary anime Food Wars!, she voices Hisako Arato, a role she has performed in multiple iterations of the series, including Food Wars! The Second Plate and Food Wars! Shokugeki no Soma. Additional roles include Lihua in The Apothecary Diaries. Her other dubbing work includes the character Luminus in the special episode series That Time I Got Reincarnated as a Slime: Visions of Coleus, Momoka Morikuni in A Galaxy Next Door, and a role as Chalce in the long-running Pokemon franchise.

Her work frequently places her among a regular group of Brazilian voice talent, including actresses such as Jeane Marie and Bruna Nogueira. Her performances are typically produced by dubbing studios like Dubrasil and Atma Entretenimento. Her vocal work on major franchises such as Gundam and Food Wars! has established her as a familiar voice in contemporary Brazilian anime dubbing.