Audrei Hüllen is a Brazilian voice actor known for their work in dubbing anime series and original animations. Information about their career is primarily available through casting credits for specific roles.

Hüllen provided the Portuguese voice for the character Chiaki Sawada in the anime series Kageki Shoujo!!. They are also recognized for voicing Elizabeth Ashley, a noblewoman and friend to the main character, in the Portuguese dubbing of the anime The Saint's Magic Power is Omnipotent. Additionally, their voice work includes a minor role as a neighbour in the Portuguese version of the popular series Spy×Family.

Beyond anime dubbing, Hüllen has contributed their voice to original Brazilian animation. In the children's animated series Pipas, which premiered in 2024, they voiced the character Dado.