The best underground rappers, which includes a lot of underrated rappers within the underground rap scene. A lot of these rappers kill it at free styling and aren't really concerned with the mainstream scene, which the radio focuses on. If you haven't heard of any of these underground hip hop artists make sure to take a listen and at least give them a chance. In addition, this list is vote ranked, which means the Ranker user gets to determine who is 'the best underground rapper.'Who are the top underground rappers? Use this underground rappers list to learn about indie hip hop artists and expand your knowledge of underground rap. If you feel that there are some artists not on this list, let me know and I will add them if they quality for the list.