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Abstract: The list of invasive mammals in the central part of the North Caucasus (Stavropol krai, Kabardino-Balkarian Republic, North Ossetia-Alania), including 18 taxa belonging to four orders (Chiroptera, Carnivora, Rodentia, Artiodactyla), is presented. The largest group according to the vectors of invasion into the fauna of the region is formed by intentionally introduced taxa: Sciurus vulgaris, Capreolus pygargus, Cervus nippon, Cervus elaphus, Dama dama, Bos grunneins, Bison bonasus bonasus, Procyon lotor, Nyctereutes procyonoides, Mustela vison, Ondatra zibethicus. The group of self-settling species includes five: Canis aureus, Pipipipstrellus kuhlii, Capreolus capreolus, Canis familiaris, and Rattus norvegicus. According to the degree of impact on the regional ecosystems, the most dangerous species among invasive mammals of the region are sika deer, nonnative subspecies of red deer, domestic yak, jackal, American mink, raccoon dog, and common raccoon. This occurs owing to their number and impact on native fauna, flora, and soil cover.