Lewiston–Auburn (L–A) are twin cities in Androscoggin County, Maine, USA.

[1] They share infrastructure and transportation, such as the Lewiston-Auburn CityLink, the Lewiston and Auburn Railroad Company[2] and the Auburn/Lewiston Municipal Airport.

They also form the Lewiston-Auburn Metropolitan Statistical Area, which encompasses Androscoggin County.

The twin cities have a long history of French-Canadian immigration, and still retain a very large percentage of citizens who identify as so.

In the 2000 census, 19.4% of those five and older in the cities combined (more so on the Lewiston side of the river) said that they spoke French.