'''Krain''' is either
* Carniola, the German name of a historical region within the Duchy of Austria in modern Slovenia * Krain Township, Minnesota, a township in Minnesota, US * Krain, Washington, an unincorporated locality in King County * ''Krain krain'', the common name for the leafy vegetable ''Corchorus'' in Sierra Leone * Krain, a word of slavic origin meaning borderland, used in several territorial names such as Ukraine (according to classical interpretation) {{disambig}}