Halina Poświatowska (May 9, 1935, Częstochowa, Poland - October 11, 1967, Warsaw, Poland) is a polish poet and writer, one of the most important figures in modern Polish literature.

She is famous for her lyrical poetry and for her intellectual and passionate yet unsentimental poetry on the themes of death, love, existence, famous historical personages, especially women, as well as her mordant treatment of life, living, being, bees, cats and the sensual qualities of loving, grieving and desiring.

She died at 32 after a second heart operation to correct a heart defect that limited her mobility and breathing, which she acquired when she fell ill as a child during the World War II Nazi occupation of Poland.