| Alguaire | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Catalonia |
| Pushpin Map Caption: | Location in Catalonia |
| Coordinates: | 41.7386°N 0.5856°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Lleida |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Segrià |
| Leader Party: | PSC |
| Leader Title: | Mayor |
| Leader Name: | Antoni Perea Hervera (2015)[1] |
| Area Footnotes: | [2] |
| Area Total Km2: | 50.1 |
| Elevation M: | 304 |
| Population Density Km2: | auto |
| Population Demonyms: | Alguairenc, Alguairenca |
Alguaire (in Catalan; Valencian pronounced as /alˈɣwajɾe/) is a municipality in the comarca of the Segrià in Catalonia. A portion of its municipal limits are occupied by the Lleida-Alguaire Airport.
| Pop 1900: | 2346 |
| Pop 1930: | 2390 |
| Pop 1950: | 2565 |
| Pop 1970: | 2782 |
| Pop 1990: | 2346 |
| Pop Latest: | 3129 |
| Latest Year: | 2008 |