Category:Members of the Parliament of the United Kingdom for County Londonderry constituencies (1801–1922)

Constituencies:
 * Coleraine (1801–85)
 * Londonderry (1801–85, 1922)
 * Londonderry City (1801–1922)
 * North Londonderry (1885–1922)
 * South Londonderry (1885–1922)