Mariya Kurata is a Japanese voice actress known for her work in original video animation (OVA) and video games. Her name in kanji is 倉田 まりや. She is also credited under the names Mariya Sumita and Mariya Sumida in some productions.

Her voice acting career is primarily documented through roles in adult-oriented OVA series and video games from the late 2000s and early 2010s. A significant portion of her credited performances are in the OVA format. These roles include Izumi Minazuki in Tropical Kiss, Twiska in Brandish, Kaguya in Kuroinu: Kedakaki Seijo wa Hakudaku ni Somaru, and Ruri Anekawa in The Wife is Micael. She also voiced the character Maru in the Nee, Chanto Shiyō yo! OVA series.

In addition to her anime roles, Kurata has contributed her voice to video games. She is credited with providing the voice for Komatsu Satomi in the games Detective Masochist (2012) and Detective Masochist 2 (2013). Her work also extends to eroge, or erotic games, where she voiced Kana Ōgibashi in Love, Elections & Chocolate.

Her portfolio also includes a voice role in the Koihime Musō franchise, playing the character Riri in the 2009 television mini-series Shin Koihime musō and its accompanying video, Koihime musō: Gun'yū, seito kaichō no za o neratte aiarasou no koto - Ato, porori mo aruyo!. Information about her training, professional affiliations, or formal accolades is not documented in the available records.