Ida Amalia von Plomgren, born September 9, 1870 at Måstena in Södermanland, died 26 March 1960, was a Swedish feminist. She was the daughter of Colonel Erland von Plomgren and the libertarian Lotten Liljencrantz. Ida von Plomgren was employed at the Fredrika-Bremer Association Bureau from 1900, Secretary 1916-1937, Member of the Board 1917-1942 and Chairman of the Fredrika-Bremer Union Stockholm Circuit 1931 -1938. She was a member of the board of the rural housing seminar at Rimforsa 1922-1936, chairman of the company Nya Idun 1921-1935, secretary and cash manager in the association Vaksamhet from 1927, chairman of Stockholm Lyceumklubb 1921-1927, secretary of the Stockholm Women's Fencing Club 1905-1923 and vice chairman 1923-1938. She became Swedish champion in floridaism in 1909. She wrote articles in newspapers and magazines, and was awarded the Illis Quorum of the eighth size in 1934 and the Patriotic Society's Gold Medal 1941.