Krzemień is a peak in the Bieszczady mountains in south-east Poland.
Krzemień may also refer to: Krzemień, Łódź Voivodeship (central Poland) Krzemień, Białobrzegi County in Masovian Voivodeship (east-central Poland) Krzemień, Maków County in Masovian Voivodeship (east-central Poland) Krzemień, West Pomeranian Voivodeship (north-west Poland) Krzemien., the standard author abbreviation for Polish botanist and microbiologist Helena Krzemieniewska (1878-1966)