Kiyoko Sayama (佐山 聖子, Sayama Kiyoko, born August 3) is a Japanese animator and director. She was born in Saitama Prefecture. Her name is sometimes misromanized as Seiko Sayama.

• Nintama Rantarou (1993–1994) - Storyboard, Episode Director
• Tama & Friends (1994) - Storyboard, Episode Director
• Soar High! Isami (1994–1996) - Storyboard, Episode Director
• Harimogu Harley (1996) - Director
• Saber Marionette J to X (1998) - Chief Director, Storyboard (eps 1, 3, 6, 8–9, 11-25 odd), Episode Director (eps 1, 6, 9, 13, 17, 19, 21, 25), Background Art (ep 12), Illustration (ep 26), Key Animation (eps 9, 25), Photography Assistant (ED for ep. 25)
• Magic User's Club (1999) - Storyboard, Episode Director
• Now and Then, Here and There (1999–2000) - Storyboard
• Hunter × Hunter (1999–2001) - Storyboard
• Tsukikage Ran (2000) - Storyboard
• Boys Be... (2000) - Special Thanks
• Gravitation (2000–2001) - Storyboard, Episode Director
• Prétear (2001) - Director
• Shiawase Sou no Okojo-san (2001–2002) - Storyboard, Episode Director
• Seven of Seven (2002) - Storyboard
• Ai Yori Aoshi (2002) - Storyboard
• Chobits (2002) - Storyboard
• King of Bandit Jing (2002) - Episode Director
• Princess Tutu (2002–2003) - Storyboard, Episode Director
• Galaxy Angel A (2002–2003) - Storyboard
• Last Exile (2003) - Storyboard
• Kaleido Star (2003) - Storyboard, Episode Director
• Jubei-chan 2 (2004) - Storyboard
• Uta Kata (2004) - Storyboard
• Sgt. Frog (2004–2011) - Storyboard
• Fushigiboshi no Futagohime (2005–2006) - Storyboard
• Blood+ (2005–2006) - Storyboard, Episode Director
• ARIA The NATURAL (2006) - Storyboard, Episode Director
• Ōban Star-Racers (2006) - Storyboard, Episode Director
• Nana (2006) - Storyboard
• Bokura ga Ita (2006) - Storyboard
• Skip Beat! (2008) - Director^[1]
• Vampire Knight (2008) - Director, Storyboard (OP1,ED1; eps 1, 3, 7, 13), Episode Director (OP1,ED1; ep 1)
• Vampire Knight Guilty (2008) - Director, Storyboard (OP, ED; eps 3, 6, 10, 13), Episode Director (OP, ED)
• Brave 10 (2012) - Director^[2]
• No Game No Life (2014) - Storyboard (eps. 5, 10)
• Flying Witch (2016) - Storyboard (eps. 5, 10), Episode Director (eps. 5, 10)
• A Place Further than the Universe (2018) - Storyboard (ep. 11)
• Amanchu! Advance (2018) - Director^[3]
• To Your Eternity 2nd Season (2022–2023) - Director^[4]

• Miyuki-chan in Wonderland (1995) - Director (episode 1)
• Angel Sanctuary (2000) - Director

• Kiyoko Sayama official website
• Kiyoko Sayama at Anime News Network's encyclopedia