| Clubname: | Kultsu FC |
| Fullname: | Kultsu FC |
| Founded: | 1941 |
| Ground: | Joutsenon keskuskenttä Joutseno, Lappeenranta, Finland |
| Capacity: | 1,000 |
| Chairman: | Mikko Litmanen |
| Manager: | Craig Hill (soccer) |
| Pattern La1: | _red_stripes |
| Pattern B1: | _blackstripes |
| Pattern Ra1: | _red_stripes |
| Leftarm1: | 000000 |
| Body1: | FF0000 |
| Rightarm1: | 000000 |
| Shorts1: | 000000 |
| Socks1: | 000000 |
| Leftarm2: | FFFFFF |
| Body2: | FFFFFF |
| Rightarm2: | FFFFFF |
| Shorts2: | 000000 |
| Socks2: | FFFFFF |
Kultsu FC is a football club from Joutseno, Lappeenranta, Finland. The club was formed in 1941. Kultsu FC play their home matches at Joutsenon keskuskenttä. The team currently plays in the Kolmonen, fourth tier in Finland.