Cardiff North (Welsh: Gogledd Caerdydd) is a constituency[n 1] represented in the House of Commons of the UK Parliament since 2017 by Anna McMorrin of the Labour Party.

[3] This seat is the residential quarter of Wales' capital, over half of northern Cardiff consists of owner-occupied housing, with a higher number of a middle class population than other sections.

Historically it has mainly elected Conservative MPs, but with new housing development Welsh Labour has overturned the nominal majority more recently, turning the seat into a national target swing-constituency.

1983–2010: The City of Cardiff wards of Gabalfa, Heath, Lisvane and St Mellons, Llandaff North, Llanishen, Rhiwbina, and Whitchurch and Tongwynlais.

2010–2024: The Cardiff electoral divisions of Gabalfa, Heath, Lisvane, Llandaff North, Llanishen, Pontprennau and Old St Mellons, Rhiwbina, and Whitchurch and Tongwynlais.