Yūko Sasamoto is a Japanese voice actress born on January 30 in Chiba Prefecture, Japan. Her career spans both anime series and video games, with several prominent and long-running role credits.

In video games, Sasamoto is best known as the voice of Sakura Kasugano from the Street Fighter franchise. She has voiced Sakura across numerous titles in the series, including the main Street Fighter games and crossover titles such as Marvel vs. Capcom and Namco x Capcom. Another significant video game role is Flonne in the Disgaea series, beginning with Makai Senki Disgaea.

Sasamoto has an extensive history with the Yo-kai Watch franchise. She voiced the character Blazion in the first Yo-kai Watch film, Yo-kai Watch: The Movie, released in 2014. She later played the roles of Orochi and Hikari Orochi in the 2016 film Yo-kai Watch: Soratobu Kujira to Double Sekai no Daibōken da Nyan!.

Her anime television work includes the role of Cappuccino Usa (also known as Cappuccinousa) in the Sanrio-based series Sugarbunnies. The character is a brown bunny who specializes as a barista and is the twin brother of Latteusa. This series first premiered on TV Tokyo in 2007. She also voiced the character Francoise Dupont in the same franchise.

Additional confirmed voice roles include the character Blazion in the Yo-kai Watch franchise and a character named Sakura, though the specific series for that role is not detailed in available sources. Her career demonstrates particular depth within long-running media franchises, including Yo-kai Watch, Street Fighter, and Disgaea.