noun
English-derived loanword used in Japanese to refer to one's family name or last name. Often used in contexts like forms, introductions, or when contrasting with given name.
この書類にファミリーネームを記入してください。
Please fill in your family name on this form.
彼のファミリーネームはスミスです。
His family name is Smith.
Borrowed from English 'family name'.