Yana Toboso (枢 やな, Toboso Yana, born January 24, 1984) is a Japanese manga artist. She was born in Warabi, Saitama Prefecture, Japan and currently resides in Yokohama.

She is best known for Black Butler (黒執事 Kuroshitsuji), a popular shonen manga series. She has also written yaoi under the pen name Yanao Rock (簗緒ろく).

Toboso debuted in 2004 with the work 9th. In 2005, she began her first serialization, Rust Blaster, and since 2006, she has been serializing Black Butler.

Yana Toboso draws herself as a devil with a black body and horns, a white head, and a pointed tail. She has never uploaded a picture of herself, so her actual appearance is unknown.