温彻斯特（英语：Winchester）是英国南部的一座的城市，位于英格兰东南部的汉普郡，在南唐斯国家公园的西端，伊钦河沿岸，

温彻斯特是威塞克斯王国和英格兰王国的古都，现为汉普郡的郡治，也是****市的核心部分。2001年人口41,420。

温彻斯特的历史悠久，早在铁器时代这里即为人类聚落。罗马帝国在当地创建城市，称作万塔比尔格鲁姆（Venta Belgarum）。

其主要地标是哥特式的温彻斯特大教堂，该教堂是欧洲最大的教堂之一。温彻斯特大学和著名的温彻斯特公学都位于此地。宜人的环境、丰富的古迹和发达的教育使得此地成为汉普郡消费水平最高的地区之一。 温彻斯特人有时会被称作“Wintonian”。

Winchester is a city and the county town of Hampshire. The city lies at the heart of the wider City of Winchester, a local government district, and is located at the western end of the South Downs National Park, along the course of the River Itchen. It is situated 61 miles (98 km) south-west of London and 13.6 miles (21.9 km) from Southampton, its closest city. At the time of the 2011 Census, Winchester had a population of 45,184. The wider City of Winchester district which includes towns such as Alresford and Bishop's Waltham has a population of 116,800