Malacai is an uncommon male given name of uncertain origin and meaning, with no widely accepted etymology. It is spelled variously as Malakai, Malachai, and Malakhai, among other variations. The name gained some popularity in the United States during the late 20th century but remains relatively rare overall.
The name Malacai has seen a steady increase in popularity over the past two decades, with a significant spike occurring between 2017 and 2018, during which time it was given to 15 children each year. However, the most common years for naming a child Malacai were 2022 and 2023, when it was chosen for 9 babies in both years.