Otakar Hromádko (30 August 1909 in Kněž, district Čáslav, Austria-Hungary – 14 April 1983 in Yverdon-les-Bains, Switzerland) was a Czechoslovak journalist and army officer. Although he spent first half of his life fighting for communist ideals later became a victim of communist purges and a political émigré. Hromádko spent almost 10 years of his life in prisons, labour camps and detention camps under different regimes and in different countries. Later, in 1982, he published a book of memoirs focused mostly on his prison experience and disillusionment from revolutions.