| Team | Nickname | Intl | Type | Ground |
|---|---|---|---|---|
| Men | The Playing Fields | |||
| Ardmore | Men | McCourt's Field | ||
| Rovers | Men | The People's Park | ||
| The Red & Blues | Men | Clandeboye Park | ||
| Singo Edan | Men | Unknown | ||
| Amaranto | Men | Unknown | ||
| Criuleni | Men | No Ground | ||
| Criuleni | Men | No Ground | ||
| La Albiceleste | ✅ | Men | Unknown | |
| Argentina | ✅ | Women | Unknown | |
| Argentinos Juniors | Men | Unknown | ||
| Men | Unknown | |||
| The Light Brigade | Men | Unknown | ||
| Aris Thessaloniki | Men | Unknown | ||
| Arka | Men | Tolka Park | ||
| Arklow Town | Men | Bridgewater Centre Park | ||
| Men | Armadillo Stadium | |||
| Arlington | Men | Unknown | ||
| Armagh City | Men | Holm Park | ||
| Armenia | ✅ | Men | Unknown | |
| ✅ | Men | Unknown | ||
| Armenia U19 | ✅ | Men | Unknown | |
| Armenia | ✅ | Men | Unknown | |
| Armenia Women | ✅ | Women | Unknown | |
| Die Arminen | Men | Unknown | ||
| Arnedo | Men | Unknown | ||
| Men | Unknown | |||
| The Gunners | Men | The Emirates Stadium | ||
| Men | Unknown | |||
| Arsenal Tula | Men | Unknown | ||
| Men | Tolka Park | |||
| Arsenal W | Women | Tolka Park | ||
| Arthur Griffith Park | Men | Unknown | ||
| Men | Unknown | |||
| Arys | Men | Unknown | ||
| Men | Stadio Tommaso Dal Molin | |||
| Asan Owls | Men | Unknown | ||
| Tel Aviv | Men | Unknown | ||
| AS Cherbourg | Men | Unknown | ||
| Picchio | Men | Unknown | ||
| Men | Ascot Racecourse | |||
| Napoli | Women | Unknown | ||
| Verona | Men | Unknown | ||
| Ashbourne United | Men | Unknown | ||
| Men | Tolka Park | |||
| The Dolphins | Men | Unknown | ||
| Ashford Rovers | Men | Unknown | ||
| Men | The Robert Parker Stadium | |||
| Men | The Homelands | |||
| Men | The dwmedia Stadium |
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