The 1986 East Londonderry by-election was one of the fifteen 1986 Northern Ireland by-elections held on 23 January 1986, to fill vacancies in the Parliament of the United Kingdom caused by the resignation in December 1985 of all sitting Unionist Members of Parliament (MPs).
The 1986 East Londonderry by-election was one of fifteen Northern Ireland by-elections held on January 23, 1986. These elections filled vacancies in the Parliament of the United Kingdom caused by the resignation of all sitting Unionist Members of Parliament (MPs) in December 1985.