Thorin \th(o)-rin\ as a boy's name is a variant of Thor (Old Norse), and the meaning of Thorin is "thunder".
The baby name Thorin sounds like Thorian, Thorn and Torin. Other similar baby names are Corin, Korin, Gorin, Lorin, Terrin, Tarrin, Tarin, Theron, Tharon, Thorne, Thorpe, Thorp, Torion, Toren, Toran and Torrin.