| Centennial | |
| Settlement Type: | Neighborhood |
| Map Alt: | Centennial neighborhood boundaries |
| Coordinates: | 45.5046°N -122.4966°W |
| Coordinates Footnotes: | PDF map |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Oregon |
| Subdivision Type2: | City |
| Subdivision Name2: | Portland |
| Leader Title1: | Association |
| Leader Name1: | Centennial Community Association |
| Leader Title2: | Coalition |
| Unit Pref: | US |
| Area Total Km2: | 6.95 |
| Population Footnotes: | [1] |
| Population Total: | 20587 |
| Population As Of: | 2000 |
| Population Density Km2: | auto |
| Population Density Sq Mi: | auto |
| Demographics Type1: | Housing |
| Demographics1 Title1: | No. of households |
| Demographics1 Info1: | 7373 |
| Demographics1 Title2: | Occupancy rate |
| Demographics1 Info2: | 95% occupied |
| Demographics1 Info3: | 4995 households (68%) |
| Demographics1 Title4: | Renting |
| Demographics1 Info4: | 2378 households (32%) |
| Demographics1 Title5: | Avg. household size |
| Demographics1 Info5: | 2.79 persons |
Centennial is a neighborhood on the eastern edge of the Southeast section of Portland, Oregon, on the border with Gresham.The neighborhood includes Lynchwood Park (1993) and Parklane Park (1993).
The unrelated Centennial, Oregon post office near Delta Park in North Portland served the Oregon statehood Centennial Exposition from June to September 1959.
Prior being annexed by Portland, the community was enumerated as a "Census-designated place" in 1980, when the community recorded a population of 22,118.[2] The community was also part of the CDP of Powellhurst-Centennial in 1990, which the census area recorded a population of 28,756.[3]