thumb|right|Location of Kostroma Oblast in Russia
thumb|right|Location of Pskov Oblast in Russia
Ostrovsky District is the name of several administrative and municipal districts in Russia:
- Ostrovsky District, Kostroma Oblast, an administrative and municipal district of Kostroma Oblast
- Ostrovsky District, Pskov Oblast, an administrative and municipal district of Pskov Oblast
See also
- Ostrovsky (disambiguation)