Yukiko Takaguchi is a Japanese voice actress who has been active in the anime industry since the mid-2000s. She is affiliated with the talent agency Aoni Production, and her career encompasses anime television series, original video animations, video games, and foreign film dubbing.

Her range of voice roles includes a variety of genres. She is known for portraying Miwako Mizukoshi in the dark comedy Abnormal Physiology Seminar, Miyako Yamashina in the romantic drama We Without Wings - Under the Innocent Sky, Vante in the action fantasy Queen’s Blade: Rebellion, and Iggy in the children’s series Poka Poka Mori no Rascal. Additional notable anime appearances include Aiko Kudou in the comedy Baka and Test - Summon the Beasts, Reiko Natsume in the supernatural horror Ghost Hunt, Yumi in Magical Girl Lyrical Nanoha A’s, and Maki Aikawa in the science fiction series Muv-Luv Alternative: Total Eclipse. She has also taken supporting roles in series such as Saki, Yozakura Quartet, and Toaru Kagaku no Railgun.

In the field of video games, Takaguchi has contributed to several major franchises. She voiced Lotte Carmine in the BlazBlue fighting game series and has performed in titles including the Super Robot Wars series and the Rance series. Her dubbing work includes Japanese voiceovers for foreign films and television programs.

Throughout her career, she has frequently collaborated with voice actor Hiro Shimono, appearing alongside him in productions such as Baka and Test - Summon the Beasts, We Without Wings - Under the Innocent Sky, and Ghost Hunt. While she has not received major individual awards, her consistent presence across a wide range of anime, games, and dubbing projects has established her as a versatile character actress in the industry.