The Jonas brothers real last name is Jonas.They are real life brothers Kevin,Joe,and Nick so they all have the same last name.
Parents:Denise JonasPaul Kevin JonasSons:Nicholas Jerry JonasJoseph Adam JonasPaul "Kevin" JonasFranklin Jonas
His real name is Nicholas Jerry Jonas.
His real name is Paul Kevin Jonas II!
Nick Jonas real last name is Jonas.His full name is Nicholas Jerry Jonas.
nick,Jo and kevins last name is miller but most people think its Jonas as that's the name of there band Jo's name is Joseph Adam Jonas miller. nicks is nick jerry Jonas miller and kevins is paul Kevin Jonas miller. see
his real name is Paul Kevin Jonas Jr.
Paul Kevin Jonas II kevins real name is paul Kevin Jonas 2nd
Kevin Jonas middle name is Kevin his real name is Paul Kevin Jonas II but he goes by his middle name.
Jonas
Franklin Nathaniel Jonas
Jonas is the last name of the Jonas Brothers, and it is their real last name.
There are 3 brothers in the band and one younger one. All of their real last name is Jonas. They are: Paul Kevin Jonas II Joseph Adam Jonas Nicholas Jerry Jonas Franklin Nathaniel Jonas