Toponyms Leninsky (masculine), Leninskaya (feminine), or Leninskoye (neuter), named after Vladimir Lenin, may refer to:
- Leninsky District (disambiguation), several districts in the countries of the former Soviet Union
- Leninsky Okrug (disambiguation), various divisions in Russia
- Leninsky Urban Settlement (or Leninskoye Urban Settlement), several municipal urban settlements in Russia
- Leninski, Belarus (Leninsky), a settlement in Belarus
- Leninsky, Russia (Leninskaya, Leninskoye), several inhabited localities in Russia
- Leninsky Avenue (disambiguation), several avenues in Russian cities
- 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 (Leninskaya), prior to 1992, name of Teatralna station of the Kyiv Metro, Kyiv, Ukraine
- Leninskoye, Kazakhstan, a locality in Aktobe Province, Kazakhstan