Members: Erpur Eyvindarson, Ágúst Bent Sigbertsson, Lúlli

XXX Rottweiler Hundar (English: XXX Rottweiler dogs) are an Icelandic hip hop crew from Reykjavík, Iceland, founded in the late nineties and comprised of BlazRoca, Bent, Baddi, Lúlli and Eyki, performing with lyrics in Icelandic.

Originally named 110 Rottweiler dogs, after the area code of Árbær, a district within the city of Reykjavík where the group members hail from. Their lyrics are often considered cruel and offensive but witty and well composed at the same time, but sometimes the lyrics and songs are laid back and humorous. Although their rap is hardcore and most often rapped in Icelandic, they occasionally rap in English or Danish as well.