St Paul's Church is a Grade II listed Church in Wales parish church opened in 1890 in Grangetown, Cardiff, Wales. Renovation work commenced in 2023 after a period of closure. Community consultation alongside further fundraising and renovation will continue after this period.

Grangetown is a district and community in the south of Cardiff, capital of Wales. It is one of the largest districts in the south of the city and is bordered by Riverside, Canton and Butetown. The River Taff winds its way through the area. Adjacent to the city's Cardiff Bay area, Grangetown is experiencing a period of gentrification and improvements in its infrastructure. Its population as of 2011 was 19,385 in 8,261 households. One of the "five towns of Cardiff", the others are Butetown, Crockherbtown, Newtown and Temperance Town.