The name Kainoa is a girl's name meaning "the namesake".

6 Letter Girl Names

Names Ending in A for Girls

Names That Mean Namesake

Two Syllable Names for Girls

Names ending in a

Best K Names for Boys

100+ Best Boy Names Ending in a Vowel

Unisex Hawaiian name with great potential on the mainland.

Hawaiian Names

Kainoa

The name Kainoa peaked for girls at #9602 in 1980. Kainoa is occasionally used for boys in 2025.

The name Kainoa is a boy's name meaning "the namesake; sea of freedom".

6 Letter Boy Names

Names Ending in A for Boys

Two Syllable Names for Boys

Intriguing Hawaiian option that combines the sounds two popular boy names—Kai and Noah — but is in a name in its own right, not a newly created compound name — and is pronounced just slightly differently. The name has two possible meanings: from the elements kai and noa it means "sea of freedom", whereas from ka and inoa, it means "the name(sake)". 
 
Given to around 100 boys in the US, a large majority born outside of Hawaii. Several contemporary sports players including Kainoa Winston, Kainoa Bailey, and Kainoa Lloyd may have helped the name reach a wider audience.

Kool K Baby Names 

Unique, Rare, and Uncommon Boy Names (with Meanings and Origins)

International Baby Boy Names

Nameberry

Unique

The name Kainoa peaked for boys at #1563 in 2005. The name is most popular in Hawaii, Hawaii, and Hawaii. Kainoa is occasionally used for girls in 2024.

Kainoa

About Kainoa

Popularity & trends

Similar names

Kainoa on lists

Kainoa in blog posts

Save Kainoa