Plesná or Pleśna may refer to places:
Czech Republic Plesná, a town in the Karlovy Vary Region Plesná (river), a river in the Czech Republic and Germany Plesná (Ostrava), a suburb of Ostrava Lackenberg/Plesná, a mountain in the Bohemian Forest range
Poland Gmina Pleśna, a gmina in Lesser Poland Voivodeship Pleśna, Lesser Poland Voivodeship Pleśna, West Pomeranian Voivodeship