Kolno is a village in the administrative district of Gmina Chełmno, within Chełmno County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 7 km north-east of Chełmno, 42 km north of Toruń, and 46 km north-east of Bydgoszcz. It is located in Chełmno Land within the historic region of Pomerania. During the German occupation of Poland (World War II), Kolno was one of the sites of executions of Poles, carried out by the Germans in 1939 as part of the Intelligenzaktion.