Norio is a masculine Japanese given name. Notable people with the name include:
- Norio Ban , Japanese rower
- Norio Hayakawa, American activist
- Norio Hirate , Japanese speed skater
- Norio Honaga , Japanese professional wrestler
- Norio Hotogi , Japanese cyclist
- Norio Imamura , Japanese actor
- Norio Ishizawa , Japanese journalist
- Norio Ito , Japanese ice hockey player
- Norio Kaifu , Japanese astronomer
- Norio Kobayashi , Japanese photographer
- Norio Kudo , Japanese Go player
- Norio Maeda , Japanese jazz composer and pianist
- Norio Matsubara, Brazilian racing driver
- Norio Mikami , Japanese golfer
- Norio Mitsuya , Japanese politician
- Norio Murata , Japanese footballer
- Norio Nagayama , Japanese spree killer and writer
- Norio Nakai , Japanese writer
- Norio Niikawa , Japanese physician and geneticist
- Norio Nishiyama, Japanese mixed martial artist
- Norio Ohga , Japanese chief executive
- Norio Omura , Japanese footballer
- Norio Sasaki , Japanese footballer and manager
- Norio Sassa , Japanese basketball coach
- Shimotori Norio , Japanese sumo wrestler
- Norio Shinozaki , Japanese golfer
- Norio Shioyama , Japanese animator, illustrator and character designer
- Norio Suzuki (explorer) , Japanese explorer
- Norio Suzuki (footballer) , Japanese footballer
- Norio Suzuki (golfer) , Japanese golfer
- Norio Takahashi , Japanese footballer
- Norio Takashima , Japanese table tennis player
- Norio Takeuchi , Japanese politician
- Norio Tanabe , Japanese baseball player and coach
- Norio Tanaka , Japanese aquatic botanist
- Norio Taniguchi , Japanese scientist and academic
- Norio Torimoto, Japanese origami artist
- Norio Tsukitate , Japanese footballer and manager
- Norio Tsukudani , Japanese female manga artist and illustrator
- Norio Tsuruta , Japanese film director
- Norio Wakamoto , Japanese voice actor
- Norio Wakui , Japanese judge
- Norio Yamanaka , Japanese writer
- Norio Yoshimizu , Japanese footballer
