Elin Kristina Wallin (born 29 December 1884 in Gothenburg; died 25 March 1969 in Stockholm) was a Swedish artist and drawer.
In 1902 she passed the examination as a needlework mistress at Hulda Lundin's seminary in Stockholm and after that she continued her studies in 1902–1904 at Althins målarskola.
For several decades the school played an important role in preparing young artists for the Academy of Arts.
During the years 1902–1904 Wallin studied in the evenings at the University College of Arts, Crafts and Design (in Swedish simply known as Konstfack) in Stockholm.
Konstfack, sometimes also called Tekniska skolan, was at that time in the block of Beridarebanan in Norrmalm, between Klara kyrka and Hötorget.
Colarossi was as an alternative to the government-sanctioned École des Beaux Arts that had, in the eyes of many promising young artists at the time, become far too conservative.
Together with her husband David Wallin she travelled for study to London in 1905, Paris 1905–1906 and 1910–1911, Italy 1908–1910, Germany 1905, 1906 and 1908, Denmark 1908.
The couple settled in Stockholm and Elin and David became parents of seven children, born in 1906, 1907, 1909, 1912, 1916, 1922 and 1924, five girls and two boys.
In 1908, David Wallin was awarded a Royal Swedish Academy of Arts travel scholarship, which was later extended for another year.
The atelier, his studio with workroom, was on the upper top floor and had sloping roof windows on Humlegårdsgatan 23 in Stockholm with a view over the (National Library of Sweden), Kungliga biblioteket, KB.