| Clubname: | Risca United |
| Fullname: | Risca United Association Football Club |
| Nickname: | The Cuckoos |
| Founded: | 1946 |
| Ground: | Ty-Isaf Park, Risca |
| Capacity: | 3000 |
| Chairman: | Jonathan Smith |
| Coach: | Simon Berry |
| Pattern La1: | _white_stripes2 |
| Pattern B1: | _whitestripes |
| Pattern Ra1: | _white_stripes2 |
| Leftarm1: | 000000 |
| Body1: | 000000 |
| Rightarm1: | 000000 |
| Shorts1: | 000000 |
| Socks1: | 000000 |
| Leftarm2: | 970045 |
| Body2: | 970045 |
| Rightarm2: | 970045 |
| Shorts2: | 970045 |
| Socks2: | 970045 |
Risca United Association Football Club is a football club based in Risca, South Wales. The team plays in the .
Established in 1946 Risca United A.F.C. are a Welsh League football club. They are nicknamed the "Cuckoos", in keeping with the town's legend of the Cuckoo. The club's motto is "Integrity".
The home ground is Ty-Isaf Park, now managed by the club through a long-term lease from its owners, Caerphilly County Borough Council. It is undergoing development to improve its facilities, to include seating in its 500 (standing) capacity spectator stand. Floodlights, improved dressing rooms and playing surface are part of the planned developments.
Supported by a committee including, Secretary, Stuart Luckwell and the Management Committee, the club has two senior teams competing in The Welsh Football League, an under 19s Youth side also competes in the Welsh Youth Cup and the Youth Division of the Welsh Football League.
Risca United are also affiliated to the Clubs for Young People Wales (previously the Boys & Girls Clubs of Wales). Three of its players (Knott, Griffiths, Sharp) gained CYP Welsh Caps at under 18 level in season 2011–12.
The club have been in partnership with Coleg Gwent Crosskeys Football Academy and joined with local junior club, Cwmcarn Athletic to become its nursery club, thereby providing coached football for youngsters from under 10 through to Youth and Senior Levels.
In September 2023, Ty isaf were a victim of an arson attack that destroyed their changing rooms.
In May 2024 the club were youth and reserve league winners. In May 2023 they also won both league titles while the first team came 2nd in their respective league losing 2-1 in a play off final.
FAW Reserve League SE Champions 2022-23 & 2023-2024 FAW Youth League Champions 2022-23 & 2023-2024