Usage of "last name" in English

Room number and last name used to authenticate to the hotel's network

Hacking: the next generation

Dimplez: No one in my family calls me by my last name.

Ebony

They spoke on condition their last name would not be made public.

Reuters

Usage of "last name" in English

                                             Room number and  last name used to authenticate to the hotel's network
                                        
                                                Hacking: the next generation

                                             Dimplez: No one in my family calls me by my  last name.
                                        
                                                Ebony

                                             They spoke on condition their  last name would not be made public.
                                        
                                                Reuters

                                             She'd definitely heard that  last name before, she just couldn't remember where.
                                        
                                                Stolen heat

                                             Has your  last name been a help or hindrance in your career?
                                        
                                                Reuters

Meanings of "last name" in English

The name used to identify the members of a family (as distinguished from each member's given name)

surname family name cognomen

Interface language

Meanings of "last name" in English