DELMENHORST, a town of Germany, grand duchy of Oldenburg, on the Delme, 8 m. by rail W. from Bremen, at the junction of a line to Vechta. Pop. (1905) 20,147. It has a Protestant and a Roman Catholic church, and is the seat of considerable industries; notably wool-combing, weaving, jute-spinning and the manufacture of linoleum. Delmenhorst was founded in 1230, and from 1247 to 1679, when it was destroyed by the French, was protected by a strong castle.