Leninsky (masculine), Leninskaya (feminine), or Leninskoye (neuter) may refer to:
- Leninsky District (disambiguation), name of several districts in the countries of the former Soviet Union
- Leninsky Okrug (disambiguation), name of various divisions in Russia
- Leninskiy, Belarus, a settlement in Belarus
- Leninsky, Russia, name of several inhabited localities in Russia
- Leninsky Avenue (disambiguation), name of several avenues in the Russian inhabited localities
- Leninskaya Line, a line of the Novosibirsk Metro, Novosibirsk, Russia
- Leninskaya (Nizhny Novgorod Metro), a station of the Nizhny Novgorod Metro, Nizhny Novgorod, Russia
- Leninska, prior to 1992, name of Teatralna station of the Kiev Metro, Kiev, Ukraine
- Leninskoye, Kazakhstan