Det Stavangerske Dampskibsselskap AS (DSD) is a private Norwegian transport and shipping company, established in 1855 with headquarters in Stavanger, Norway. The company operates internationally through its subsidiary companies DSD Shipping AS and DSD Cargo AS. The company is owned by the Hermansen family, through the holding company Folke Hermansen AS, after Folke Hermansen gained control of DSD in 1991. Chairman is Yuhong Jin Hermansen, while Ingvald Løyning has been CEO since 2015.