Wanda Sieradzka de Ruig (29 September 1923, Łódź, Poland - 1 January 2008, Haarlem, Netherlands) was a well known Polish author, journalist, poet and translator. Sieradzka graduated from the in Toulouse, France. She worked as a press liaison for the group, , at the Command Staff headquarters of the Armia Krajowa in Warsaw during World War II. She wrote for the office under the pseudonym, "Elżbieta." She was first published as a poet in 1945 in a Polish magazine, which was published in Switzerland. She worked as a Polish diplomat in the 1940s following the end of World War II.