Masaji Nonagase
- Title: Masaji Nonagase
- Popularity: 0.284
- Known For: Directing
- Birthday: 1923-08-30
- Place of Birth: Kyoto, Kyoto Prefecture, Japan
- Homepage:
- Also Known As: 野長瀬三摩地, Samaji Nonagase, Nonagase Masaji, Ryu Minamikawa, Minamikawa Ryū, 南川 竜