This paper presents a list of myxomycete taxa recorded in Latvia up to November 20, 2023. It consists of 251 taxa (230 species, 20 varieties and one subspecies), including 141 taxa new for the country, identified after 2006 and not recorded in the latest checklist, published by Adamonytė in 2020. Fourty-seven of these, according to published data, are also new species to the Baltic states. Nivicolous species, as well as the frequency of occurrence and common Latvian names for all the taxa are published for the first time.