Wetlands in folklore

thumb|upright=1.35|The Will o' the Wisp and the Snake by Hermann Hendrich (1854–1931)

In Greek mythology, the naiads (; ), sometimes also hydriads, are a type of female spirit, or nymph, presiding over fountains, wells, springs, streams, brooks and other bodies of fresh water.

obsolete medical theory about the transmission of disease through bad air

thumb|"Frigg and Her Servants" (1882) by Carl Emil Doepler. In Norse mythology, Fensalir (Old Norse "Fen Halls") is a location where the goddess Frigg dwells. Fensalir is attested in the Poetic Edda, compiled in the 13th century from earlier traditional sources, and the Prose Edda, written in the 13th century by Snorri Sturluson. Scholars have proposed theories about the implications of the location, including that the location may have some connection to religious practices involving springs, bogs, or swamps in Norse paganism, and that it may be connected to the goddess Sága's watery location

In Zulu mythology, Uhlanga is the marsh from which humanity was born, and is the Zulu word for "reed" that was also a synonym for "societal custom".