Storsjöodjuret is a legendary creature said to inhabit Lake Storsjö in Sweden. Descriptions of the creature vary, but it is often depicted as a large, serpent-like being. Sightings date back to the 19th century, and it has become a part of local folklore, attracting both curiosity and skepticism. The legend of Storsjöodjuret has inspired various investigations and media portrayals, including documentaries and books. While some people believe in its existence, others consider it a myth or a misidentification of known animals. The creature remains a popular topic in discussions about cryptozoology.