Sonja Hagemann (6 September 1898 – 17 October 1983) was a Norwegian literary historian and literary critic, especially of children's literature. She is primarily known for the monumental Barnelitteratur i Norge (Norwegian Children's Literature I:1965; II:1970; III:1973). 
|Born||6 September 1898|
|Died||17 October 1983(aged 85)|
|Awards||Arts Council Norway Honorary Award|
She was raised in Christiania (now Oslo) Norway. She graduated with a degree in economics at the University of Oslo (1919). She first worked in government service. She worked at Dagbladet as a critic of children's literature (1946-1971). She received the Arts Council Norway Honorary Award (Norsk kulturråds ærespris) in 1980. She represented the Liberal Party in Oslo school board. She was a parliamentary ballot candidate from the constituency of Oslo in 1965.
- Karin Beate Vold. "Sonja Agnes Weyergang Hagemann". Norsk biografisk leksikon. Retrieved January 1, 2017.
- "Sonja Hagemann". Store norske leksikon. Retrieved January 1, 2017.
- "Norsk kulturråds ærespris". Store norske leksikon. Retrieved January 1, 2017.
- "Æresprisen" (in Norwegian). Norsk Kulturråd (Arts Council Norway). Retrieved 2008-10-26.
- "Borgelig flertall i Oslo skolestyre". VG (in Norwegian). 2 December 1955. p. 6.
- "Norges Offisielle Statistikk. XII. 199. Stortingsvalget 1965. Hefte II. Oversikt" (PDF) (in Norwegian). Statistics Norway.
- Sten Lundbo. "Fredrik Hagemann". Store norske leksikon. Retrieved January 1, 2017.