An English habitational surname from Welsh, from King's Lynn in Norfolk, from Welsh llyn (“lake”) or Old English lean (“reward”, implying land tenure).

A Scottish habitational surname from Scottish Gaelic, from Scottish Gaelic linne (“firth; pond, pool; waterfall”).

A proper noun "lynn" represents various towns, cities, settlements, and communities in different states of the united states, including alabama, arkansas, california, indiana, massachusetts, nebraska, utah, west virginia, wisconsin, and virginia beach.

A community in Nova Scotia.

A river in Ontario, flowing from the town of Simcoe into Lake Erie.