- Yagatich
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- Yakel
- Yakin
- Yaklich
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- Yalenty
- Yamshon
- Yanak
- Yanda
- Yandura
- Yang
- Yanke
- Yanko
- Yankoski
- Yankus
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- Yanyo
- Yarnell
- Yarsky
- Yasinsky
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- Yastion
- Yates
- Yeager
- Yearick
- Yearsley
- Yeasted
- Yecko
- Yedlowski
- Yee
- Yekich
- Yellon
- Yenchi
- Yeskatalas
- Yeskey
- Yessler
- Yetman
- Yeuroukis
- Yezerinac
- Yimin
- Yip
- Yobbi
- Yobst
- Yochum
- Yocum
- Yoder
- Yoest
- Yohman
- Yoho
- Yokitis
- Yorio
- York
- Yorke
- Yorkshire
- Yorsz
- Yoshimura
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- Yost
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- Young
- Youngner
- Youngo
- Younkins
- Yourick
- Yu
- Yue
- Yuhaschek
- Yuille
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- Yuko
- Yum
- Yunkins
- Yurchison
- Yurco
- Yuresic
- Yurich
- Yurkew
- Yurko
- Yurkovetsky
- Yurkovich
- Yurochko
- Yurtal