Loretta Martins is a Brazilian voice actress and bilingual voice-over artist known for her work in dubbing animated series and live-action content for major streaming platforms. She is recognized for providing the Brazilian Portuguese voice of the character Hort in the anime series The Dawn of the Witch.

Martins' career is grounded in formal training and specialized study in performance arts. She is a graduate of the University of Brasília with a degree in Performing Arts and further specialized in Musical Theatre at the School of Musical Theatre of Brasília. To hone her skills specifically for voice acting, she has completed courses at institutions such as Beck Studios and UniDub, and has studied under Brazilian voice-over coaches including Melissa Garcia, Ronaldo Julio, and Claudio Galvan.

In addition to her role in The Dawn of the Witch, which was dubbed at the Som de Vera Cruz studio in Rio de Janeiro, Martins's dubbing credits include providing additional voices for the Delart studio's Brazilian Portuguese version of the 2022 Netflix series Resident Evil. Her voice work extends to character voices for major brands, as she has been one of the talents for Fisher-Price in Brazil. Her portfolio encompasses a variety of media, including audiobooks for Audible Brazil and video game localization. A notable recent credit is voicing the character Neyrelle in the Brazilian Portuguese version of the trailer for the Diablo IV expansion, Vessel of Hatred.

Martins works as a bilingual artist, performing in both Brazilian Portuguese and English, and describes her voice as versatile with a wide range suitable for characters of different ages. She is also a trained soprano, capable of singing in both lyrical and belting techniques, a skill set derived from her musical theatre and opera background.