| Official Name: | Céu Azul-Paraná |
| Other Name: | Céu Azul-Paraná |
| Nickname: | Céu Azul-Paraná |
| Settlement Type: | Municipality |
| Pushpin Map: | Brazil |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Brazil |
| Subdivision Type: | Country |
| Subdivision Name: |  Brazil |
| Subdivision Name1: | Southern |
| Subdivision Type2: | State |
| Subdivision Name2: | Paraná |
| Subdivision Type3: | Mesoregion |
| Subdivision Name3: | Oeste Paranaense |
| Leader Title: | Mayor |
| Leader Name: | Jaime Basso |
| Unit Pref: | Imperial |
| Area Total Km2: | 1,179.5 |
| Population As Of: | 2020 [1] |
| Population Total: | 11,819 |
| Population Density Km2: | 9.35 |
| Timezone: | BRT |
| Utc Offset: | -3 |
| Coordinates: | -25.1469°N -53.8489°W |
Céu Azul is a municipality in the state of Paraná in the Southern Region of Brazil.
Céu Azul covers 1179.5km2, has a population of 11,819, and population density of 9.35 resident per square kilometer. 852km2 of the city is preserved as Atlantic Forest and is part of Iguaçu National Park.
The western region of Paraná was the target of logging companies in the 1950s. The company Pinho e Terras Ltda. installed a colony in the area in 1952 and brought workers, mainly from the state of Rio Grande do Sul. The first residents were primarily of German and Italian origin.