YanChinese From Chinese 严 (yán) meaning "strict, solemn, stern".
YanChinese From Chinese 阎 (yán) meaning "gate", also referring to a fief that existed in the ancient state of Jin in what is now Shanxi province.
YanChinese From Chinese 颜 (yán) meaning "face, countenance", also referring to the ancient fief of Yan that existed during the Western Zhou dynasty in what is now Shandong province.
YaoChinese From Chinese 姚 (yáo) meaning "handsome, elegant".
YimKhmer Meaning uncertain, probably of Chinese origin.
YinChinese From Chinese 殷 (yīn) referring to the ancient city of Yin, which existed in what is now Henan province and served as the capital of the Shang dynasty (which reigned from 1600 to 1045 BC and was also called Yin).
YinChinese From Chinese 尹 (yǐn), a title for a ministerial position in ancient China. It may also refer to the ancient fief of Yin, which existed in what is now the province of either Shanxi or Henan.
YinChinese From Chinese 印 (yìn) meaning "stamp, seal".
YueChinese From Chinese 岳 (yuè) referring to the ancient title Tai Yue (太岳), which was used by officials in charge of sacrificial rituals on mountain sites.
YuiJapanese It is written three ways: 由 (yu) meaning "reason, cause" and 井 (i) meaning "well, mineshaft, pit". Or (yu) meaning the same as the latter, but with 比 (i) meaning "compare". Lastly, 油 (yu) can mean "oil" and (i) meaning the same as the first example.... [more]
YukKorean From Sino-Korean 陸 (yuk/ryuk) meaning "dry land; land".
ZakPolish A nickname given to youthful or studious people. Comes from the Polish zak, meaning "student" or "schoolboy". It originally meant "novice" or "candidate for the priesthood", and so in some cases it is perhaps a nickname for someone who had been destined for holy orders.
ZhaChinese From Chinese 查 (zhā) referring to the ancient fief of Zha, which was part of the state of Qi during the Zhou dynasty in what is now Shandong province. Alternately it may come from the name of a fief that was part of the state of Chu during the Zhou dynasty in what is now Anhui province.
ZuoChinese From Chinese 左 (zuǒ) meaning "left, left-hand side".
ZurJewish Ornamental name derived from Hebrew צור (tsur) meaning "rock".
ZykRussian, Belarusian A Russian name now found in Belarus and other areas around "white Russia". Literally translates to the Russian word "beetle". It's pronounced "Z'ook" and has taken on other forms of spelling, such as; Zuck, Tzook, Shyk, etc.