Mana T. Johnson is an English-language voice actor known for work in the dubbing of Japanese anime series, particularly those released by the streaming service OceanVeil and production company Ascendent Animation. Her career in voice-over primarily centers on mature-themed and romantic comedy anime titles.

Johnson is credited for providing the English voice for Kyoka Teshigawara in the series Do You Like Big Girls?, an R18 anime that follows the coach of a college volleyball team and his interactions with the female players. She also voices the character Hotori Shimizu in the series Hotori: Simply Wishing for Hope. Another notable role is as the character Mamimi in the series Makina-san’s a Love Bot?!, a story about a mecha-obsessed loner and a gynoid designed for intimacy. She is further credited as the English voice for Ikuko Onabuta in the series Nukitashi the Animation, based on a popular adult visual novel.

Johnson appears to have recurring collaborations with a specific group of voice actors and production studios. She has worked alongside actors such as Chloe Eves, Sean Chiplock, Angel Haven Rey, and Meredith Nu across several of her credited roles. Her work has been consistently distributed through OceanVeil and produced in association with Ascendent Animation, which has licensed and produced English dubs for a number of anime titles aimed at adult audiences.