Simple Definition of surname

from our Learner's Dictionary

surname

noun

ˈsɚˌneɪm

plural surnames

: the name that is shared by the people in a family

Note: In English, your surname comes after your first name and middle name.

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“Surname.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/surname. Accessed 16 Jun. 2026.

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