Io Sakisaka (咲坂伊緒) is a Japanese manga artist. She also designed the characters for the anime movie HAL. Her works are:

-Call My Name (2001)
-Watashi no Koibito (2002)
-Bye-Bye, Little (2002)
-Blue (2006)
-Mascara Blues (2007)
-Strobe Edge (2007)
-Ao Haru Ride (2011)
-Sono Omokage o Shitteru (2013) (oneshot)
-Omoi, Omoware, Furi, Furare (2015)
-Otome no Itari (2020) (oneshot)
-Sakura, Saku (2021)