Kru is a modern American respelling of Crew, an English word name that means "crew" or "team" and suggests belonging and teamwork. The Krew and Kru spellings follow the current fashion for short, punchy boys' names such as Jax and Knox. In the United States Kru had fewer than five births in 2000, climbed from number 5418 in 2015 to a peak of number 1869 in 2024 and ranks number 1986 in 2025.