Jamna may refer to:
Jamna (bird), an extinct passeriform bird from early Oligocene deposits in Poland Jamna, Slovenia, a settlement in northeastern Slovenia Jamna, Lesser Poland Voivodeship, a village in Lesser Poland Voivodeship, Poland Jamna Górna and Jamna Dolna, two non-existing villages in Subcarpathian Voivodeship, Poland Yamuna River, also known as Jamna, a major river of northern India Jamna, the stream in the city of Mikołów, Silesia, Poland Popular Front of Islamic Revolution Forces (JAMNA), political organization in Iran See also Yamna (disambiguation) Jamuna (disambiguation)