Lowestoft, town, Waveney district, administrative and historic county of Suffolk, eastern England.
It originated as a Danish settlement on Lowestoft Ness, the most easterly point in the United Kingdom. From 1757 until 1802 Lowestoft china, a soft-paste porcelain, was manufactured in the town. The present harbour was built in 1831 by linking Lake Lothing with the sea. After the railway came in 1847, the town grew rapidly both as a fishing port and as a seaside resort. Lowestoft has also attracted some light industry. Pop. (2001) 68,340; (2011) 70,945.