The Black Sea Germans (; ; ) or Ukrainian Germans are ethnic Germans who left their homelands in the 18th and 19th centuries, and settled in territories off the north coast of the Black Sea, mostly in the territories of the southern Russian Empire (including modern-day Ukraine). Included in the category of Black Sea Germans are the following groups from the Black Sea area: the Bessarabia Germans, Crimea Germans, Dobrujan Germans, and the Russian Mennonites.