Matsubara, Osaka is a city in Japan.
Matsubara may also refer to:
- Matsubara (surname), a Japanese surname
- Miho no Matsubara, scenic area on the Miho Peninsula in Shimizu Ward of Shizuoka City, Japan
- Matsubara frequency, in thermal quantum field theory, the summation over discrete imaginary frequency
- Sociedade Esportiva Matsubara, a Brazilian football club