| Official Name: | Ilave |
| Other Name: | Illawi |
| Flag Size: | 120px |
| Seal Size: | 100px |
| Pushpin Map: | Peru |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Puno |
| Subdivision Type2: | Province |
| Subdivision Name2: | El Collao |
| Subdivision Type3: | District |
| Subdivision Name3: | Ilave |
| Established Title: | Founded |
| Established Date: | 1782 |
| Pop Est As Of: | 2015 |
| Pop Est Footnotes: | [1] |
| Population Est: | 28483 |
| Settlement Type: | Town |
| Coordinates: | -16.0836°N -69.6383°W |
| Elevation M: | 3862 |
| Website: | municollao.gob.pe |
Ilave, also known as Illawi, is the capital city of the Ilave District in El Collao Province, in the Puno Region of Peru. According to the projection of the 2012 census, it has 57,366 inhabitants. It is located on the Ilave River and west from Lake Titicaca.