FC Kuressaare U21
| Full name | Football Club Kuressaare U21 |
|---|---|
| Nicknames | Kure Viikingid (The Vikings) |
| Founded | 2002 |
| Ground | Kuressaare linnastaadion, Kuressaare |
| Capacity | 2,000 |
| Chairman | Priit Penu |
| Manager | Sander Viira |
| League | II liiga |
| 2025 | Esiliiga B, 9th of 10 (relegated) |
FC Kuressaare U21 is the reserve team of Estonian football club FC Kuressaare, playing in the town of Kuressaare.