The following list is of important municipalities in Aragon, an autonomous community of Spain:
The following links are to lists which are more detailed province-specific, and all municipalities in a given province are ranked by population.
| Rank | Name | Population (2020)[1] | |
|---|---|---|---|
| 1 | Zaragoza | 681,877 | |
| 2 | Huesca | 53,956 | |
| 3 | Teruel | 36,240 | |
| 4 | Calatayud | 20,092 | |
| 5 | Utebo | 18,822 | |
| 6 | Monzón | 17,469 | |
| 7 | Barbastro | 17,174 | |
| 8 | Ejea de los Caballeros | 16,984 | |
| 9 | Alcañiz | 16,006 | |
| 10 | Fraga | 15,353 | |
| 11 | Cuarte de Huerva | 13,450 | |
| 12 | Jaca | 13,129 | |
| 13 | Tarazona | 10,558 | |
| 14 | Caspe | 10,026 | |
| 15 | Binéfar | 9,742 | |
| 16 | Sabiñánigo | 9,185 | |
| 17 | Zuera | 8,576 | |
| 18 | La Almunia de Doña Godina | 8,091 | |
| 19 | Andorra | 7,345 | |
| 20 | Alagón | 7,154 | |
| 21 | Tauste | 6,847 | |
| 22 | La Puebla de Alfindén | 6,358 | |
| 23 | María de Huerva | 5,970 | |
| 24 | La Muela | 5,894 | |
| 25 | Borja | 4,978 | |
| 26 | Villanueva de Gállego | 4,728 | |
| 27 | Fuentes de Ebro | 4,549 | |
| 28 | Calamocha | 4,429 | |
| 29 | Épila | 4,372 | |
| 30 | Cadrete | 4,235 |