The following is a list of the 24 comuni of the Province of Trapani, Sicily, in Italy.
| ISTAT Code | Comune | Population (2005) |
|---|---|---|
| 081001 | Alcamo | 44,959 |
| 081002 | Buseto Palizzolo | 3,198 |
| 081003 | Calatafimi-Segesta | 7,385 |
| 081004 | Campobello di Mazara | 10,942 |
| 081005 | Castellammare del Golfo | 14,811 |
| 081006 | Castelvetrano | 30,369 |
| 081007 | Custonaci | 5,013 |
| 081008 | Erice | 29,169 |
| 081009 | Favignana | 4,297 |
| 081010 | Gibellina | 4,558 |
| 081011 | Marsala | 80,391 |
| 081012 | Mazara del Vallo | 51,424 |
| 081013 | Paceco | 11,110 |
| 081014 | Pantelleria | 7,679 |
| 081015 | Partanna | 11,427 |
| 081016 | Poggioreale | 1,681 |
| 081017 | Salaparuta | 1,769 |
| 081018 | Salemi | 11,436 |
| 081019 | Santa Ninfa | 5,265 |
| 081020 | San Vito Lo Capo | 4,027 |
| 081021 | Trapani | 70,735 |
| 081022 | Valderice | 11,544 |
| 081023 | Vita | 2,316 |
| 081024 | Petrosino | 7,458 |
| Total | 432,963 |