Morio (written: 守男, 守生, 森魚, 森雄, 杜夫, 盛男, 盛夫, 守雄 or 保男) is a masculine Japanese given name. Notable people with the name include:

• Morio Agata (あがた 森魚, born 1948), Japanese singer-songwriter and actor
• Morio Asaka (浅香 守生, born 1967), Japanese anime director
• Morio Higaonna (東恩納 盛男, born 1938), Japanese karateka
• Morio Kazama (風間 杜夫, born 1949), Japanese actor
• Morio Kita (北 杜夫, 1927–2011), pen-name of Sokichi Saitō, Japanese writer and psychiatrist
• Morio Matsudaira (松平 保男, 1878–1944), Imperial Japanese Navy admiral
• Morio Matsui (松井 守男, born 1942), Japanese artist
• Morio Shigematsu (重松 森雄, born 1940), Japanese long-distance runner
• Morio Takahashi (高橋 守雄, 1883–1957), Japanese politician
• Morio Yukawa (湯川 盛夫, 1908–1988), Japanese economist and diplomat

Morio (written: 森尾) is also a Japanese surname. Notable people with the surname include:

• Maiko Morio (森尾 麻衣子, born 1967), Japanese gymnast