Krystyna Krahelska "Danuta" (24 March 1914 – 2 August 1944) was a Polish poet, ethnographer, member of the Home Army, and a participant in the Warsaw Uprising.
Her father, Jan Krahelski, was an engineer then later a Polish Army officer, and the voivode of Polesie from 1926 to 1932.
She was the niece of Wanda Krahelska-Filipowicz (one of the participants in the assassination attempt on the Russian Governor General Georgi Skalon) and the cousin of the husband of Halina Krahelska.
In 1932 she graduated from Romuald Traugutt junior high school in Brześć nad Bugiem.
"Wron") in the 3rd company of the 1st Squadron, "Jeleń" ("Deer") of the 7th Lublin Cavalry Regiment AK under the pseudonym of "Danuta".
She was operated on at the insurgents' hospital at Polna 34, but as a result of her wounds, she died on the morning of August 2.
The most famous of her poems was "Hej chłopcy, bagnet na broń" ("Hey Boys, Bayonet on the Gun"), written in January 1943 for the soldiers of underground "Baszta" Battalion.