The members of Dáil Éireann, the house of representatives of the Oireachtas (legislature), of Ireland are known as TDs.

The 12th Dáil was dissolved by President Seán T. O'Kelly on 12 January 1948, at the request of the Taoiseach Éamon de Valera.

On 9 June 1944, Frank Fahy (FF), who had served as Ceann Comhairle since 1932, was proposed by Éamon de Valera and seconded by Richard Mulcahy for the position, and was elected without a vote.

[1] The list of the 138 TDs elected, is given in alphabetical order by Dáil constituency.

[2] Eamonn Coogan (FG), an outgoing TD for Kilkenny, died after the dissolution of the 12th Dáil, during the 1948 general election campaign.