Morio (written: , , , , , , , or ) is a masculine Japanese given name. Notable people with the name include:
- , Japanese singer-songwriter and actor
- , Japanese anime director
- , Japanese karateka
- , Japanese actor
- , pen-name of Sokichi SaitÃ
Â, Japanese writer and psychiatrist
- , Imperial Japanese Navy admiral
- , Japanese artist
- , Japanese long-distance runner
- , Japanese politician
- , Japanese economist and diplomat
- , Japanese surgeon
Morio (written: ) is also a Japanese surname. Notable people with the surname include: