Régis Nunes, also known as Reginaldo Nunes or Rex Nunes, is a Brazilian voice actor based in São Paulo. He is primarily known for his work dubbing anime into Portuguese for the Brazilian market.

Nunes has built a substantial career providing voices for a wide array of characters in numerous anime series. His filmography includes a significant number of supporting roles in popular titles. Examples of his work include voicing the character Naki in Tokyo Ghoul:re, Itejiro Toteki in My Hero Academia, and Voanyan in Yo-kai Watch: Enma Daioh to Itsutsu no Monogatari da Nyan!. His other credited roles span a diverse range of series, such as those active in the early 2020s, though the specific characters are not always detailed in available records.