Some of the Mermaids, Mer-folk, and other aquatic beings from the folklore of the world.

The nguva is a water woman from East African folklore, especially in Kenya and Tanzania. It resembles the western concept of the mermaid.

El Hombre Caiman from Colombia was originally a human man who liked to spy on naked women while they bathed in the Magdalena river. He got a potion from a local brujo that would turn him into a caiman in order to spy for efficiently, but it went wrong, and he turned into a hybrid

The jiaoren (鮫人) or "shark people" are mentioned in the Bowuzhi (c. 290 CE); and a number of other Chinese texts, including the Shuyi ji (early 6th century CE).

These aquatic people supposedly spun a type of raw silk called jiaoxiao 蛟綃 "mermaid silk".

In Slavic folklore, the Rusalka is a female entity, often malicious toward mankind and associated with water. Many stories say they are souls of young women who died in a river or lake. They lure men, seduced by either her looks or voice, into the depths, where she drowns them.

The River Maiden/Mumma is a dominant figure in Jamaica’s folklore, she is both sacred and feared. According to legend, she lives at the fountainhead of large water sources in Jamaica and is usually seen sitting on top a rock, combing her long black tresses with a golden comb.

The Germanic näcken, näkki, nøkk were male water spirits who played enchanted songs on the violin, luring women and children to drown in lakes or streams. When malicious nøkker attempted to carry off people, they could be defeated by calling their name; causing their death.

A jengu is a water spirit in the traditional beliefs of the Sawa ethnic groups of Cameroon.

The miengu's appearance differs from people to people, but they are typically said to be beautiful, mermaid-like figures with long hair and beautiful gap-teeth.

In modern Japanese folklore, the Ningen is an aquatic humanoid creature reported to inhabit the subantarctic oceans of Antarctica.

The legend surrounding the Ningen began on a forum post on the Japanese online forum website, 2Channel.