| Image | commemorated | Type | Location | Date | Sculptor | Designer | Notes |
| | Statue | Alexandra Gardens | | | — | |
| Gorsedd circle | Stone circle | Gorsedd Gardens | 1899 | | | Previously erected elsewhere in the park for the 1899 National Eisteddfod; relocated here in 1905. |
| Science and Education | Architectural sculpture | Cardiff Crown Court | | | | |
| Commerce and Industry | Architectural sculpture | Cardiff Crown Court | | | | |
| Poetry and Music | Architectural sculpture | Cardiff City Hall | | | | |
| Unity and Patriotism | Architectural sculpture | Cardiff City Hall | | | | |
| The Sea Receiving the Severn | Architectural sculpture | Cardiff City Hall | | | | |
| The Taff, the Rhymney and the Ely | Architectural sculpture | Cardiff City Hall | | | | |
| George V | Statue in niche | Cardiff University Main Building, Museum Avenue elevation | | | | |
| Edward VIII as Prince of Wales | Statue in niche | Cardiff University Main Building, Museum Avenue elevation | | | | |
| Welsh Dragon | Architectural sculpture | Cardiff City Hall | 1904 | | | |
| | Statue | Gorsedd Gardens | | | — | |
| South African War Memorial | Memorial | King Edward VII Avenue | | | — | |
| | Statue | Outside Cardiff Crown Court | | | — | |
| Mining | Sculptural group | Glamorgan Building | | | — | |
| Navigation | Sculptural group | Glamorgan Building | | | — | |
| | Equestrian statue | City Hall lawn | 1909 | | — | |
| Mining | Architectural sculpture | National Museum Cardiff | | | Smith and Brewer | |
| Shipping | Architectural sculpture | National Museum Cardiff | | | Smith and Brewer | |
| Prehistoric Period | Architectural sculpture | National Museum Cardiff | | | Smith and Brewer | |
| Classic Period | Architectural sculpture | National Museum Cardiff | | | Smith and Brewer | |
| Medieval Period | Architectural sculpture | National Museum Cardiff | | | Smith and Brewer | |
| Modern Period | Architectural sculpture | National Museum Cardiff | | | Smith and Brewer | |
| Learning | Architectural sculpture | National Museum Cardiff | | | Smith and Brewer | |
| Art | Architectural sculpture | National Museum Cardiff | | | Smith and Brewer | |
| Music | Architectural sculpture | National Museum Cardiff | | | Smith and Brewer | |
| Dragons and Lions | Architectural sculpture | National Museum Cardiff | | | Smith and Brewer | |
| | Statue | Gorsedd Gardens | | | — | |
| Welsh National War Memorial | Memorial | Alexandra Gardens | | | | |
| | Statue | Friary Gardens | 1930 | | — | |
| | Relief sculpture | Redwood Building | | | | |
| | Statue | Gorsedd Gardens | | | — | |
| Agriculture | Architectural sculpture | National Museum Cardiff | | | and Gordon | |
| Slate Quarrying | Architectural sculpture | National Museum Cardiff | | | and Gordon | |
| Three Obliques (Walk In) | Sculpture | Outside Cardiff University School of Music | 1968 | | | |
| Falklands War Memorial | Commemorative stone | Alexandra Gardens | 1982 | | | |
| Red Dragon | Sculpture | Bute Building | 1984 | | | |
| Reguarding Guardians of Art | Architectural sculpture | National Museum Cardiff | | | — | |
| Memorial to Welsh Volunteers in the Spanish Civil War | Commemorative stone | Alexandra Gardens | 1992 | | | |
| Girl | Sculpture | Gorsedd Gardens | 2005 | | — | |
| Mind's Eye | Ceramic relief sculpture | Tower Lecture Theatre, Cardiff University, Park Place | | | — | |
| The Gift of Life Stone | Commemorative stone | Alexandra Gardens | 2007 | | | |
| Welsh National Falklands War Memorial | Commemorative stone | Alexandra Gardens | 2007 | | | |
| Thalidomide Memorial | Commemorative stone | Alexandra Gardens | 2016 | | | |
| Parasitoid Attacking An Aphid Mark Jervis | Sculpture | Sir Martin Evans Building, Cardiff University | 2016 | | | |
| Memorial to Black and Ethnic Minority Service Personnel | Commemorative stone | Alexandra Gardens | 2019 | | | |
| Image | commemorated | Type | Location | Date | Sculptor | Designer | Notes | Source |
| Alight | Sculpture | Mary Anne Street, outside Tŷ Admiral | 2014 | | — | Unveiled 17 December 2014. A 10-metre-tall, illuminated steel and glass lightning bolt. | |
| Allegories of the drapery business | Relief sculpture | Howells department store | 1930 | — | | | |
| All Hands | Sculpture | Custom House Street | 2001 | | — | Sculpture runs on the path of the Glamorganshire Canal depicting canal workers pulling boats with ropes. Commissioned by CBAT the Arts & Regeneration Agency on behalf of Cardiff Bay Development Corporation. | |
| Alliance | Sculpture | Hayes Place | 2009 | Jean-Bernard Métais | — | Includes glowing liquid, projected light and text. Commissioned by CBAT the Arts & Regeneration Agency on behalf of Land Securities. | |
| An Eye for People | Mosaic | Thomson House, Havelock Street | 1959 | | | In 1958 Howard-Jones won a national competition held by the Western Mail for a mosaic outside their new headquarters. The mosaic was destroyed in 2008. | |
| | Statue | Queen Street | 1987 | | — | | |
| Betty Campbell | Bust with sculpture group | Central Square | 2021 | | — | | - |
| | Painting | Queen Street | | | | Original design is mosaic which would be behind the painting. | |
| Cardiff Central Station Mosaics | Mosaic | Cardiff Central railway station | 2003 | | — | | |
| Chess Sets | Street furniture | The Hayes | 2009 | | — | Commissioned by CBAT the Arts & Regeneration Agency on behalf of Land Securities. | |
| Connect 4 or 5 | Light sculpture | Wood Street Railway Bridge | 2009 | | DO-Architecture Ltd | Illuminated LED installations beneath the arches of the bridge. | |
| Christ and the Samaritan Woman at the Well | Drinking fountain | Dock Feeder | 1862 | | | Donated by William Alexander, Mayor of Cardiff from 1859 to 1860. | |
| | Statue | Bute Terrace | 1997 | | — | Commissioned by CBAT the Arts & Regeneration Agency on behalf of Cardiff Bay Development Corporation. | |
| Family Group | Sculptural group | Queen Street | 2009 | | — | | |
| Giant Daffodils | Mural | Cardiff Central Water Tower | 1984 | | — | Work was carried out in June 2012 to repaint the tower in beige and brown. | |
| Grecian Woman | Statue in niche | The Prince of Wales public House, St Mary Street | | | | Installed when the building was a theatre | |
| | Statue | The Hayes | | | — | The statue of this Liberal politician John Batchelor roused opposition from his opponents when it was first erected. The council was presented with a petition for its removal and, in 1887, the statue was daubed with coal tar and paint. | |
| | Statue | Callaghan Square | | John Evan Thomas | — | Originally located in front of the old Town Hall in St Mary Street and moved to Callaghan Square in 2000. | |
| Miner | Statue | Queen Street | 2005 | | — | | |
| Mother and Son | Sculptural group | Queen Street | 2005 | | — | | |
| Nereid | Sculpture | Kingsway | | | — | | |
| Pierhead Clock | Clock | St Mary Street | 2011 | | | The clock mechanism, dating to 1897, was formerly used by the clock of the Pierhead Building. It was replaced in 1973 and sold to an American collector, who decided to return it to Cardiff in 2005. The monkeys on swinging on the pendulums are a reference to the 3rd Marquess of Bute's opposition to Darwin's theory of evolution. | |
| | Statue | Outside the Millennium Stadium | 2009 | | — | | |
| Untitled | Sculpture | Formerly on The Hayes | 1972 | | — | 40-metre long black steel sculpture commissioned by the Peter Stuyvesant Foundation in 1972 and exhibited for 6 months. Returned to The Hayes in September 2019 for another 6 months. | |
| Without Place | Sculpture | Junction of Charles Street and Queen Street | 2011 | | — | | |