Surname Lyona (Лиона 
, Lyona 
) , in the world, is a rare cognomen. The cognomen Lyona is habitual in Bulgaria, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Indonesia. In absolute terms, it is commonest in Indonesia, Bulgaria, and Australia. More frequently, Lyona is the forename as well as the last name.