Stanisław Baczyński aka "Adam Kersten", "Bittner", "Akst" (27 July 1890 in Lwów – 27 July 1939 in Warsaw, Poland) was a Polish writer, literary critic, socialist, journalist, soldier of the Polish Legions and captain of the Polish Army. Father of Krzysztof Kamil Baczyński.thumb|200px|Tombstone of Stanisław Baczyński and Stefania Baczyńska (Warsaw, Powązki Cemetery)