Yuka Komatsu is a Japanese actress, voice actress, and narrator from Tokyo, born on March 8, 1978. She is affiliated with the talent management firm Aoni Production, a major agency in the Japanese voice acting industry. Komatsu graduated from the Aoni Juku training school in Tokyo as part of its first evening class in 2000, alongside her contemporary Kanae Kondo.

Her path to voice acting was influenced by her upbringing in a family with a strong connection to filmmaking, as her father was a film director. Initially aspiring to be a filmmaker herself, she studied at Nihon University College of Art and wrote stage plays before transitioning to performance. After a period working as a projectionist, she decided to pursue a career related to film and chose voice acting.

Komatsu has built a prolific career with a wide range of roles in anime, video games, and foreign language dubbing. In anime, she is well-known for several prominent characters. She played the role of Eas, later known as Setsuna Higashi and Cure Passion, in the 2009 series Fresh Pretty Cure, a role she has reprised in numerous Pretty Cure All Stars film crossovers. She also voiced the character Scanty in the 2010 cult classic Panty & Stocking with Garterbelt. In the long-running franchise Dragon Ball Super, she took on the role of the Saiyan warrior Caulifla. Other notable anime roles include Dorothy in Great Pretender and its sequel Great Pretender razbliuto, Saeko Tanaka in Haikyū!!, Minako Okukawa in Yuri!! on Ice, and Deunan Knute in the theatrical feature Appleseed Alpha. Additional roles include Jean in Hatarakids My Ham Gumi, Lola in Demon Prince Enma, and a bookstore part-timer in One Piece Fan Letter.

Beyond animation, Komatsu has a significant body of work in video games. Her game credits include Isako Toriumi in Persona 3 and its remake Persona 3 Reload, Phosphora in Kid Icarus: Uprising, and Madam M in Final Fantasy VII Remake and Final Fantasy VII Rebirth. She has also voiced characters in the Dragon Ball Xenoverse series.

A major pillar of Komatsu's career is her work in Japanese dubbing of foreign films and television series. She is the regular Japanese dubbing voice for actress Anne Hathaway, having voiced her characters in films such as The Devil Wears Prada, Love & Other Drugs, and One Day. She is also the voice of Zoe Saldaña's character Neytiri in the blockbuster films Avatar and Avatar: The Way of Water. Her dubbing repertoire is extensive and includes numerous other leading roles for actresses like Mila Kunis in Black Swan and Olivia Wilde in both Cowboys & Aliens and Tron: Legacy. In addition to dubbing, she is also active as a narrator for various news programs, documentaries, and variety shows.

Komatsu is recognized for her rich and dynamic voice, which allows her to portray a wide spectrum of characters, from strong-willed heroines and heroines to性感恶女.