It is a woman's name of Norwegian origin, meaning capable, the one who can, the one who is capable. In Norwegian mythology, Erna was the wife of the demigod Jarl. It has variants Ernalynn , Ernaline . Name of the former Prime Minister of Norway who is called Erna Solberg (2013 to 2021). He is leader of the Conservative Party of Norway. Name of a 95-year-old American engineer, inventor. Her full name is Erna Schneider Hoover. Name of an asteroid ( 406 ) .