Waianae
- County:
- Honolulu County
- County Seat:
- No
- Area (mi²):
- 5.394
- State:
- Hawaii
Waianae is a CDP located in Honolulu County, Hawaii. Waianae has a 2026 population of 10,506. Waianae is currently growing at a rate of 19.96% annually and its population has decreased by since the most recent census, which recorded a population of 0 in 2020.