Henrik Kalmár (born Elkán Kohn; 25 March 1870 – 23 June 1931) was a Hungarian politician, printer, and Social Democrat party secretary.
[1] Kalmár was born into a Jewish family[2] in Pozsony (now Bratislava) on 25 March 1870, his father was József Kohn his mater was Júlia Grünhut.
Then he participated in the labor movement in Bratislava, the Social Democratic Party, and served as secretary.
During the Soviet Republic of Hungary, he acted as People's Commissioner for German Affairs.
During the prisoner exchange between Hungary and the Soviet Union he went to Czechoslovakia, he again participated in the social democratic movement of Bratislava.