An election to the 58th Parliament of the United Kingdom for the constituency area of Cardiff North, held as part of the general election on 12 December 2019.
Labour hold by Anna McMorrin with a majority of 6,982 - 13.3% - on a turnout of 77.0%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| MCMORRIN, Anna | Lab | 26,064 | 49.5% | -0.6% |
| ALI, Mo | Con | 19,082 | 36.2% | -5.9% |
| TAYLOR, Rhys | LD | 3,580 | 6.8% | 3.5% |
| WEBB, Steffan | PC | 1,606 | 3.0% | -0.3% |
| BUTLER, Chris | BRX | 1,311 | 2.5% | - |
| COPE, Michael | Green | 820 | 1.6% | - |
| JONES, Richard | Ind | 203 | 0.4% | - |
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.
An electorate of 68,438, having a valid vote count of 52,666 and an invalid vote count of 111.
Result declared at 04:17 on 13 December 2019.