Letnica

Letnica may refer to:


 * Letnica, Gdańsk, one of the quarters of the city of Gdańsk, Poland
 * Letnica, Lubusz Voivodeship, a village in western Poland
 * Letnica, West Pomeranian Voivodeship, a village in northwestern Poland
 * Letnicë, a village in the Vitina Municipality of southern Kosovo
 * Letnica (river), a river of Poland