| Official Name: | Puerto Perez |
| Native Name: | Ch'ililaya |
| Settlement Type: | Town |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location within Bolivia |
| Coordinates: | -16.2847°N -68.6008°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Department |
| Subdivision Name1: | La Paz Department |
| Subdivision Type2: | Province |
| Subdivision Name2: | Los Andes Province |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Puerto Pérez Municipality |
| Established Title: | Foundation |
| Leader Title: | Mayor |
| Leader Title1: | President |
| Unit Pref: | Imperial |
| Population Total: | 549 |
| Population As Of: | 2001 |
| Timezone: | BOT |
| Utc Offset: | -4 |
Puerto Perez or Ch'ililaya (Aymara) is a location in the La Paz Department in Bolivia. It is the seat of the Puerto Pérez Municipality, the fourth municipal section of the Los Andes Province.
Historically Chililaya or ch'ililaya has been an important via of connection with La Paz city, in 1879 this location, according with the historian and biographer Nicolas Acosta has been denominated as "La Carretera".