Hiroshi Watanabe (わたなべひろし, Watanabe Hiroshi) is a Japanese animator, storyboard artist, and director.

• Cookin' Idol I! My! Mine!: Director
• Elfen Lied: 2nd Key Animation, Key Animation (ep 10)
• Fantastic Detective Labyrinth: Director, Storyboard, Episode Director, Key Animation
• Fist of the North Star (1986 film): Key Animation
• Gekijōban Meiji Tokyo Renka: Yumihari no Serenade: Director^[1]
• Guyver: Out of Control: Director, Key Animation
• Hell Girl: Storyboard (ep. 24), Draft Proposal
• Hell Girl: Two Mirrors: Original Script, Storyboard (eps. 4, 10), Episode Director (ep. 10)
• Hell Girl: Three Vessels: Director, Storyboard (ep 1), Episode Director (eps 1, 26), Original Concept
• Hetalia The Beautiful World: Director, Storyboard (episodes 5, 15), Episode Director (episodes 5, 15)
• Hetalia The World Twinkle: Director
• If I See You in My Dreams (OVA): Director, Character Design
• If I See You in My Dreams (TV): Supervision
• Jing: King of Bandits: Director, Storyboard
• Jing, King of Bandits: Seventh Heaven: Director, Storyboard
• Magical Princess Minky Momo: Character Design
• Meganebu!: Assistant Director
• Nameko: Sekai no Tomodachi: Director
• Samurai Champloo: In-Between Animation (Triple A; episodes 11–12, 26)
• Shining Tears X Wind: Director
• Slayers Excellent: Director
• Slayers Gorgeous: Director, Storyboard
• Slayers Great: Director, Key Animation
• Slayers Return: Director, Key Animation
• Slayers Special (OVA): Director
• Slayers The Motion Picture: Director
• Sorcerous Stabber Orphen: Series Director, Storyboard (episode 15)
• Star Ocean EX: Director, Storyboard, Key Animation
• Tactics: Director, Storyboard, Episode Director
• The Law of Ueki: Director, Unit Director (Opening)
• The Mythical Detective Loki Ragnarok: Director, Storyboard (Opening; episode 1), Episode Director (episode 1)
• Tying the Knot with an Amagami Sister: Assistant Director^[2]
• Xuan Yuan Sword Luminary:Director, Storyboard (OP, ED; eps. 1-2), Unit Director (OP, ED; eps. 1, 13), Animation Director (eps. 10, 13), Art design, 2nd Key Animation (ep. 13), Key Animation (OP; eps. 8, 10, 13)