Einfrid Daghild Halvorsen (born 13 October 1937) is a Norwegian trade unionist and politician for the Labour Party.
She was mayor of Skien from 1983 to 1986, a State Secretary in the Ministry of Local Government and Labour from 1986 to 1987 and Minister of Administration and Consumer Affairs from 1988 to 1989.
As a politician, she was a deputy member of Skien school board before serving on the city council (executive committee) from 1971 to 1979.
She had a brief tenure as regular representative in October 1981, covering for Finn Kristensen who was a member of the outgoing Brundtland's First Cabinet.
Her term ended in May 1986, when Brundtland's Second Cabinet assumed office and Halvorsen was appointed as a State Secretary in the Ministry of Local Government and Labour.