Miyu Matsuki (September 14, 1977 - October 27, 2015) was a Japanese voice actress. Her notable credits include: Kaoru Midō (Tsukuyomi: Moon Phase), Harumi Fujiyoshi (Sayonara, Zetsubou-Sensei), Cthugha/Kūko (Haiyore! Nyaruko-san), Ayari Shiki (Maria Holic), Yoshinoya (Hidamari Sketch), Isumi Saginomiya (Hayate the Combar Butler), Magical Sapphire (Fate/kaleid liner Prisma Illya), Choppy (Futari wa Pretty Cure Splash Star), Anna Nishikinomiya (Shimoneta), and Yukari Kamishiro (Nogizaka Haruka no Himitsu). In the He's Our Fallen Angel anime series, Miyu lent her voice to Yorokobi Inukida.
She lost her life to lymphoma on October 27, 2015; Matsuki was 38 years old at the time of her unfortunate death. Aya Uchida is currently the voice of the character this woman provided before her.