| Team | Nickname | Intl | Type | Ground |
|---|---|---|---|---|
| Men | Hill Park | |||
| Salthill | Men | Drom | ||
| Devon | Men | Drom | ||
| Salthill Devon U14 | Men | Drom | ||
| Salthill | Men | Drom | ||
| Salthill Devon U17 | Men | Drom | ||
| Devon | Men | Drom | ||
| Sampdoria | Men | No Ground | ||
| Samsunspor | Men | Unknown | ||
| Samtredia | Men | Unknown | ||
| Sandecja | Men | Unknown | ||
| Men | Tolka Park | |||
| Wave | Women | Snapdragon Stadium | ||
| Men | Unknown | |||
| San Jose | Men | Unknown | ||
| Santo | Men | Unknown | ||
| San Marino | ✅ | Men | Unknown | |
| Men | Tolka Park | |||
| Men | Unknown | |||
| San Marino U21 | ✅ | Men | Unknown | |
| Santa Clara | Men | Unknown | ||
| Sant Andreu | Men | Unknown | ||
| Chaguito Morning | Men | Unknown | ||
| Santos | Men | Croke Park | ||
| Santos | Men | Unknown | ||
| Guerreros | Men | Unknown | ||
| Sants | Men | Unknown | ||
| Sao Paolo | Men | Unknown | ||
| Sao Paulo | Men | Unknown | ||
| Men | Tolka Park | |||
| Sarajevo | Women | Unknown | ||
| Sarpsborg 08 FF | Men | Unknown | ||
| Neroverdi | Men | Mapei Stadium | ||
| Saturn | Men | Unknown | ||
| Saudi Arabia | ✅ | Men | Unknown | |
| Men | Crofters End Stadium | |||
| The Seadogs | Men | Flamingo Land Stadium | ||
| Bastia | Men | Unknown | ||
| Futebol Clube do Porto | Men | Unknown | ||
| Cambuur | Men | Unknown | ||
| Freiburg | Men | Tolka Park | ||
| Schalke 04 | Men | Unknown | ||
| Scotland | ✅ | Men | Hampden Park | |
| Scotland | ✅ | Men | Unknown | |
| SCOTLAND U18 | ✅ | Men | Hampden Park | |
| Scotland U19 | ✅ | Men | Unknown | |
| Scotland | ✅ | Men | Unknown | |
| Scotland Women | ✅ | Women | Unknown | |
| Scotland Women U17 | ✅ | Women | Unknown | |
| Scotland WU19 | ✅ | Women | Unknown |
