Janet Lee, Baroness Lee of Asheridge, PC LLD HonFRA, known as Jennie Lee, was a Scottish politician. She was a Labour Member of Parliament from a by-election in 1929 until 1931 and then from 1945 to 1970.

The 1929 North Lanarkshire by-election was a parliamentary by-election held in the United Kingdom on 21 March 1929 for the House of Commons constituency of North Lanarkshire in Scotland.