unisexHawaiian

Kai: Meaning & Origin

Kai is a unisex name of Hawaiian origin meaning “Sea; Hawaiian meaning "ocean", also means "keeper of the keys" in Welsh.” With 1 syllable, it is short and easy to say. As of 2023, Kai ranks #61 among children' names in the United States and is currently rising in popularity. Its highest US ranking was #59 in 2022.

Love Kai? and compare it with your partner.

Pronunciation

KAH-ee

Phonetic spelling

Popularity

85/100 Score

Currently #61 among US baby names.

Popularity Trend

4%
90
2019
94
2023
#61
US Rank

* Based on US Social Security Administration birth-registration data

Middle Name Ideas

  • Kai Lani
  • Kai Noa
  • Kai Makai

Famous Namesakes

  • Kai Greene (bodybuilder)

Variants & Alternate Spellings of Kai

Frequently Asked Questions About Kai

What does the name Kai mean?

Kai means “Sea; Hawaiian meaning "ocean", also means "keeper of the keys" in Welsh.” It is a unisex name of Hawaiian origin.

How do you pronounce Kai?

Kai is pronounced KAH-ee.

Is Kai a boy or girl name?

Kai is a unisex name used for both boys and girls.

How popular is the name Kai?

Kai currently ranks #61 among children' names in the United States.

What are good middle names for Kai?

Middle names that pair well with Kai include Kai Lani, Kai Noa, Kai Makai.

Still deciding on the perfect name?

Save Kai to your shortlist, swipe through thousands of names, and find the one you and your partner both love.