Legislative elections were held in Belgium in June and July 1884, for partial Chamber and full Senate elections respectively. Voter turnout was 79.1% in the Chamber of Representatives elections, although only 69,276 people were eligible to vote.

The Liberal Party was a Belgian political party that existed from 1846 until 1961, when it became the Party for Freedom and Progress, Partij voor Vrijheid en Vooruitgang/Parti de la Liberté et du Progrès or PVV-PLP, under the leadership of Omer Vanaudenhove.