ST INGBERT, a town of Germany, in the kingdom of Bavaria on the Rohrbach, 14 m. by rail W. of Zweibrücken. Pop. (1905) 15,521. It has coal-mines and manufactures of glass and machinery. There are also large iron and steel works in the town, and other industries are the making of powder, leather, cigars, soap and cotton. St Ingbert is named after the Irish saint, St Ingobert, and belonged for 300 years to the electorate of Trier.