Yuki Masuda is a veteran Japanese voice actress affiliated with the agency Mausu Promotion. She was born on February 9, 1973, in Atami, Shizuoka Prefecture. After graduating from the Tokyo Broadcasting Academy in 1993, she entered the training school attached to Ezaki Productions, and in 1995, she became officially affiliated with the agency, which was later renamed Mausu Promotion.

Masuda has built an extensive career spanning television animation, original video animations, animated films, and video games. Her filmography demonstrates significant range, encompassing a wide variety of characters. One of her long-running and prominent roles is Yuri Sakakibara in the Sakura Wars series, a role she has played across multiple games and animated adaptations. She is also well-known for her work in the long-running series InuYasha, where she voiced the character Eri, as well as several other roles. In the La Corda D'Oro franchise, she performed as both Nami Amou and Nanami Sousuke. Another notable recurring role is Ukraine in the popular series Hetalia: Axis Powers.

In addition to these major roles, her credits include the character Yanagi Sakoshita in Flame of Recca, Mizuki Kamijō in Cybuster, Hibiki Amawa in I My Me! Strawberry Eggs, Maria Alucard in Tokyo Majin, and Nicola in Kyo Kara Maoh!. She has also had roles in classic series such as Trigun, Berserk, and Pokémon. Masuda has been active in recent years, with roles in series like Aikatsu Friends! and The Saint's Magic Power Is Omnipotent. Her work in video games is also extensive, including the role of the male character坂城匠 (Takumi Sakaki) in Tokimeki Memorial 2. A complete and detailed list of her roles is maintained by her agency, Mausu Promotion.