Lennox and Addington was a federal electoral district represented in the House of Commons of Canada from 1904 to 1925.

It consisted of the county of Lennox and Addington.

The electoral district was abolished in 1924 when it was redistributed between Frontenac—Addington and Prince Edward—Lennox ridings.

This riding has elected the following members of Parliament:

This Eastern Ontario geographical article is a stub.