John (Johan) Sandgren (1883, Roslagen – 17 October 1932, Chicago) was a Swedish syndicalist active in Sweden and the United States.
He was editor of The One Big Union Monthly and The Industrial Pioneer, publications of the Industrial Workers of the World.
[1] In 1909 he visited the USA on behalf of the 1909 Swedish general strike.
[1] During the 1920s he supported himself through working for a translation agency which he had established.
[1] Translations: