Leilani is a Hawaiian name built from lei, a garland of flowers, and lani, heaven or sky, and means "heavenly garland" or "royal child". It has been used in Hawaii since the 19th century and spread to the mainland with the wider taste for Hawaiian names such as Kai and Kalani. Leilani ranked number 523 in the United States in 2000, rose from number 178 in 2015 into the top 100 in 2020, peaked at number 59 in 2022 and ranks number 60 among girls in 2025.