Yōko Hikasa (jap. 日笠 陽子, Hikasa Yōko; * 16. Juli 1985 in der Präfektur Kanagawa) ist eine japanische Synchronsprecherin (Seiyū) und Sängerin. Sie arbeitet für die Agentur I’m Enterprise. ()
Yoko Hikasa is a Japanese voice actress and singer, currently affiliated with I'm Enterprise. She aspired to become a voice actress after watching Sailor Moon, and later attended Nihon Narration Engi Kenkyuujo, a seiyuu training school.Her major breakthrough was the leading role as Mio Akiyama in the hit series K-ON.