Dionizy Feliks Czachowski (born April 6, 1810 in Niedabyl, died November 6, 1863 in ) was a Polish general and commander of the Sandomierz Voivodeship during the January Uprising in Congress Poland. Dionizy, through his mother, was a cousin of the Polish composer Frédéric Chopin; the two shared a grandfather, Jakub Krzyżanowski. He was promoted to the rank of general in October 1863. In November of that year his unit, stationed in the forest near Zwoleń, was tracked down by Russian forces. While trying to retreat Czachowski was cornered near the village of Jawor Solecki and there he died.