The House of Representatives was the lower chamber of the parliament of Ceylon (now Sri Lanka) established in 1947 by the Soulbury Constitution.

The First Republican Constitution of Sri Lanka, adopted on 22 May 1972, replaced the House of Representatives (and Parliament of Ceylon) with the unicameral National State Assembly.

The House of Representatives initially consisted of 101 members, of whom 95 were elected by the electors of the 89 electoral districts and six appointed by the Governor-General, on the advice of the Prime Minister.

On a few occasions caste groups from within the Sinhalese and Tamils also obtained representation in Parliament as appointed members.

[1] The fourth amendment to the Soulbury Constitution increased the number of members to 157 (151 elected from 145 electoral districts and six appointed).