Masayuki Sakoi (迫井 政行, Sakoi Masayuki, born June 29, 1974) is a Japanese animator, storyboard artist, and director from Kagoshima Prefecture. He is a professor in the department of design at Sapporo City University in Hokkaido, Japan.

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• A3!: Series Director^[1]
• Aishiteruze Baby: Episode Director (ep 19)
• BECK: Mongolian Chop Squad: Key Animation (ep 10)
• Cautious Hero: The Hero Is Overpowered but Overly Cautious: Director^[2]
• Celestial Method: Director^[3]
• Code:Breaker: Storyboard (eps 4, 9, 11), Episode Director (eps 1, 4, 9, 12), Assistant Director
• Comic Party: In-Between Animation (eps 3, 7, 12)
• Fullmetal Alchemist: Brotherhood: Storyboard (ep 7)
• Hand Maid May: In-Between Animation (ep 4)
• Heroman: Episode Director (eps 5, 8)
• Hit o Nerae!: Unit Director (eps 1, 5)
• I My Me! Strawberry Eggs: Key Animation (ep 3)
• Kamen no Maid Guy: Director, Storyboard (eps 1, 12)^[4]
• Kurau: Phantom Memory: Technical director (ep 16)
• Matoi the Sacred Slayer: Director^[5]
• Needless: Director, Storyboard (ep 1, 6, 10, 21, 24), Episode Director (ep 24)^[6]
• Noragami: Storyboard (ep 8)
• Neppu Kairiku Bushi Road: Director^[7]
• Piano: The Melody of a Young Girl's Heart: Key Animation (ep 5)
• Princess Resurrection: Director
• Rizelmine: Key Animation (ep 6, 21, 23, 24)
• Saint Beast ~Ikusen no Hiru to Yoru Hen ~: Director, Storyboard
• Sono Hanabira ni Kuchizuke wo: Anata to Koibito Tsunagi: Director, Storyboard, Episode Director
• Spice and Wolf: Episode Director (ep 4), Unit Director (OP)
• Strawberry Panic!: Director, Storyboard (ep 1, 4, 26), Episode Director (ep 26)
• Sword Art Online Alternative Gun Gale Online: Director^[8]
• The Marginal Service: Director^[9]
• The Story of Saiunkoku: Episode Director (ep 35)
• Wolverine: Storyboard (ED; eps 2, 10), Episode Director (ED; eps 2, 8)