Louth is a constituency represented in Dáil Éireann, the lower house of the Irish parliament or Oireachtas. The constituency has an electorate of 81,952 and at present is served by 4 Teachtaí Dála (TDs). The method of election is the Single Transferable Vote.

The Louth Video Disk Communications Protocol, defined by Louth Automation, provides full-featured control of the Video Server Toolkit using RS-232, RS-422, and TCP/IP.