雪 (Japanese) Snow
幸 (Japanese) Happiness
由貴 (Japanese) Reason, cause + valuable
由 紀 (Japanese) Reason, cause + chronicle
Meaning: a Japanese unisex name from Japanese elements yuki 雪 meaning "snow" or yuki 幸 meaning "happiness". It could also be derived from yu 由 (reason, cause) and ki 貴 (valuable) or ki 紀 (chronicle). There are other meanings depending on the kanji used.
Yuki is also used as a nickname for other names beginning with Yuki, such as Yukiko (feminine) or Yukito (masculine).