Phlegmacium kytoevuorii is a species of fungus in the family Cortinariaceae.

[1] It was originally described in 2014 by the mycologists Tuula Niskanen and Kare Liimatainen who classified it as Cortinarius kytoevuorii.

It was placed in the (subgenus Phlegmacium) of the large mushroom genus Cortinarius.

[2] In 2022 the species was transferred from Cortinarius and reclassified as Phlegmacium kytoevuorii based on genomic data.

[3] The specific epithet honours Finnish mycologist Ilkka Kytövuori.