Quick answer
Haruki is a boy name.
Meaning and history
From Japanese 晴 ( haru ) meaning "clear weather" or 陽 ( haru ) meaning "light, sun, male" combined with 輝 ( ki ) meaning "brightness" or 生 ( ki ) meaning "living". Other kanji combinations are possible.
Notes and context
Usage: japanese | Japanese Hiragana: はるき; Japanese Katakana: ハルキ