Olotia is a genus of fungi in the family Psathyrellaceae.

[1] The genus Olotia was created in 2020 by the German mycologists Dieter Wächter & Andreas Melzer when the Psathyrellaceae family was subdivided based on phylogenetic analysis.

[3][4] The genus is named after the city of Olot in Spain, where the type species was documented.

[4] Olotia codinae is a small mushroom with a brown to brownish yellow cap that is 8.5-15mm in diameter.

The mushroom is described as smelling slightly like radish (raphanoid) but having little noticeable taste.