Thameslink is a major British railway route running in South East England
Related to the above railway route, Thameslink may also refer to:
Stations City Thameslink, station on the route, opened in 1990 Kings Cross Thameslink, former station on the route, open between 1983 and 2007
Companies Thameslink (train operating company, 1997–2006), a former train operating company Govia Thameslink Railway, train operating company that has operated services under the Thameslink brand between 2014 and 2026 Greater Thameslink Railway, train operating company that has operated services under the Thameslink brand since 2026
See also Thameslink, Southern and Great Northern franchise, which includes the Thameslink route Thameslink Programme, a major railway project to upgrade the route