Chiaki (ちあき, チアキ) is a common Japanese given name used by either sex and is occasionally used as a surname.
Chiaki can be written using different kanji characters and can mean:
* 千秋, "thousand, autumn"
* 千明, "thousand, light"
* 千晶, "thousand, sparkle"
* 千晃, "thousand, clear"
* 智昭, "wisdom, shining"
The name can also be written in hiragana or katakana.
Japanese names vary in meaning according to
I like the character Shinichi Chiaki in Nodame Cantabile. (used as a surname in this case.)