Sayaka Kitahara (北原 沙弥香, Kitahara Sayaka, November 29, 1993) is a Japanese singer, actress and voice actress.

In 2004, Sayaka Kitahara became a member of Hello Pro Egg, under Hello! Project. In 2008, she became a part of the unit MilkyWay, as a tie-in to the anime Kirarin Revolution, in which all three members of the group have parts, with Kitahara as Noel Yukino ; the band sing the last theme songs of the show, and their two singles rank in the top 10 of the oricon music charts. The serie ends in 2009, then in 2010 she plays a main part in the horror movie Kaidan Shin Mimibukuro Kaiki.

北原沙弥香是日本的声优、歌手、女演员、偶像。