Best known in modern English-speaking use, traditionally from Hawaiian meaning "cool breeze."
Keanu is one of those names whose music is inseparable from its meaning. It comes from Hawaiian, where it is commonly explained as meaning "the cool breeze," built from elements associated with coolness and the definite article. Unlike many names that traveled through Latin, Greek, or biblical channels, Keanu feels geographically and culturally specific: it carries the atmosphere of the islands with it.
That specificity is part of its charm. The name entered wider public consciousness through actor Keanu Reeves, whose fame made it recognizable far beyond Hawai'i while still preserving its unusual, airy sound. Because of Reeves, Keanu became a modern global name without ever feeling old-fashioned or overused.
It has tended to read as gentle, cinematic, and quietly charismatic rather than aristocratic or traditional. In English-speaking countries, it often feels contemporary and cross-cultural, a name associated with calm intensity rather than flash. Its literary associations are relatively light compared with older European names, but culturally it has become a kind of modern mythic name through Reeves's screen roles and public persona: stoic heroes, seekers, outsiders, and unexpectedly kind men. That has given Keanu an evolution few names experience, from a Hawaiian word rooted in place and climate to an international given name carrying associations of grace, coolness, and modern legend.