- Hawaii County, Hawaii: Hawaii is said to be named for Hawaiiloa, hero of the foundation myth of the native Hawaiian people.
- Honolulu County, Hawaii: Honolulu is a Hawaiian language word meaning sheltered bay or place of shelter.
- Kalawao County, Hawaii: Kalawao is probably named for the village of Kalawao, which lies within its boundaries.
- Kauai County, Hawaii: Kauai is a word of unknown origin; Hawaiiloa is often credited with naming the island for his son.
- Maui County, Hawaii: Maui is named for a god from Hawaiian mythology, Maui.
