Hagar Olsson

{{Short description|Finnish writer (1893–1978)}}

{{Infobox writer

| name = Hagar Olsson

| image = Hagar Olsson.jpg

| birth_date = 16 September 1893

| death_date = 21 February 1978

| occupation = Writer, literary critic, translator

| movement = Modernism

| birth_place = Kustavi, Grand Duchy of Finland, Russian Empire

| death_place = Helsinki, Finland

}}

Alli Hagar Olsson (16 September 1893 – 21 February 1978) was a Swedish-speaking Finnish writer, literary critic, playwright and translator.{{cite web|url=http://nordicwomensliterature.net/writer/olsson-hagar|title=Olsson, Hagar|publisher=The History of Nordic Women's Literature|access-date=25 January 2015}}

Olsson was born in Kustavi. In 1922 she edited an avant-garde literary magazine, Ultra.{{cite book|author1=Fredrik Hertzberg|author2=Vesa Haapala|author3=Janna Kantola|editor1=Hubert van den Berg|display-editors=et. al.|title=A Cultural History of the Avant-Garde in the Nordic Countries 1900-1925|year=2012|publisher=Rodopi|location=Amsterdam; New York|isbn=9789401208918|page=448

|chapter-url=https://doi.org/10.1163/9789401208918_031|chapter=The Finland-Swedish Avant-Garde Moments|volume=28|doi=10.1163/9789401208918_031 }} She also contributed to another avant-garde magazine Quosego.{{cite book|author=Stefan Nygård|editor1=Hubert van den Berg|display-editors=et. al.|title=A Cultural History of the Avant-Garde in the Nordic Countries 1900-1925|year=2012|publisher=Rodopi

|location=Amsterdam; New York|isbn=9789401208918|page=341|chapter=The National and the International in Ultra (1922) and Quosego (1928)|volume=28|doi=10.1163/9789401208918_022 |chapter-url=https://doi.org/10.1163/9789401208918_022}}

In 1965 she received the Eino Leino Prize.[http://www.kustantajat.fi/kirjasaatio/palkinnot/einoleino/ Kustantajat.fi] {{webarchive|url=https://web.archive.org/web/20100130161420/http://www.kustantajat.fi/kirjasaatio/palkinnot/einoleino/|date=30 January 2010}} She died, aged 84, in Helsinki.