Naomi McDonald is a British-American-Irish voice artist, actor, comedian, and impressionist based in London, England. She trained with the National Youth Theatre and began her professional career at the age of nine, providing voices for television, film, radio, and animation. With over twenty years of experience, she is known for her skill with accents, character voices, and portraying children's voices. Her early work includes voice roles in the Angelina Ballerina series as Alice Nimbletoes and various characters in Cartoon Network's The Amazing World of Gumball, such as Rotten Cupcake and Clare Cooper. She is also recognized for voicing Jetpad in the BAFTA-winning CBeebies series Go Jetters and Frankie on the Cartoon Network series Elliott from Earth.

In the anime series Love Through a Prism, Naomi McDonald provides the English voice for Sakura Kobayakawa, the younger sister of Shinnosuke who arrives at the Saint Thomas Art Academy in early 1900s London. Within the same series, she also voices the characters Stacy Wright and Susan Brown.

Beyond animation, McDonald has an extensive career in video game voice acting. Her notable game roles include Miquella in Elden Ring, Arcana in Reverse: 1999, Gravel in Arknights, Yinlin in Wuthering Waves, and the Traveler's female voice option in Genshin Impact. Additional video game credits include roles in Final Fantasy XVI, Diablo IV, Xenoblade Chronicles 3, Horizon Forbidden West, The Witcher 3: Wild Hunt, Dark Souls II, and the Xenoblade Chronicles series. She has also voiced characters in the English dubs of Japanese anime films and series, providing additional voices for The Lord of the Rings: The War of the Rohirrim and roles in the series Big Tree City. Her film work includes a part in the 2015 movie The Gamechangers and voice roles in Chicken Run: Dawn of the Nugget. She frequently works alongside other voice actors in the London-based dubbing community, contributing additional voices across numerous projects.