Cardiff East was a parliamentary constituency in Cardiff which returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom from 1918 until it was abolished for the 1950 general election.

Boundaries

Cardiff East included the County Borough of Cardiff wards of Park, Roath, and Splott. The ward was abolished in 1950, with Roath and Splott becoming part of the new Cardiff South East ward and the remainder joining Cardiff North.

Members of Parliament

Election results

Elections in the 1910s

Seager received Coalition Government endorsement letter which was later withdrawn

Elections in the 1920s

Elections in the 1930s

Elections in the 1940s

General Election 1939–40: Another General Election was required to take place before the end of 1940. The political parties had been making preparations for an election to take place from 1939 and by the end of this year, the following candidates had been selected; The Western Mail described Sir James Grigg's defeat as "the most grievous" in the Cardiff area, considering Grigg had served as War Minister in the National government and "had proved an exceptionally valuable representative of Welsh interests in the highest quarter."