Okabe (written: ) is a Japanese surname. Notable people with the surname include:
- , Japanese politician
- , Japanese music composer
- , Japanese World War II flying ace
- , Japanese electrical engineer and scientist
- , Japanese judge
- Leandro Okabe (born 1985), Japanese-Brazilian model
- , Japanese samurai
- , Japanese general
- , Japanese architect
- , Japanese singer
- , Japanese general
- , Japanese engineer and assistant of Thomas Edison
- , Japanese swimmer
Fictional characters