London is an unincorporated community located in the counties of Dane and Jefferson in the U.S. state of Wisconsin.

London is on Wisconsin Highway 134, 3 miles (4.8 km) north of Cambridge.

A post office called London was established in 1882, and remained in operation until 1960.

[3] A large share of the early settlers being natives of London, England caused the name to be selected.

[4] The Glacial Drumlin State Trail passes through London.