Kolačkov (Hungarian: Kalács, Rusyn: Колачков) is a village and municipality in Stará Ľubovňa District in the Prešov Region of northern Slovakia.

In historical records the village was first mentioned in 1361. Before the establishment of independent Czechoslovakia in 1918, Kolačkov was part of Szepes County within the Kingdom of Hungary. From 1939 to 1945, it was part of the Slovak Republic. On 24 January 1945, the Red Army dislodged the Wehrmacht from Kolačkov and it was once again part of Czechoslovakia.

The municipality lies at an altitude of 648 metres and covers an area of 8.361 km². It has a population of about 1043 people.

The records for genealogical research are available at the state archive "Statny Archiv in Levoca, Slovakia"

• Roman Catholic church records (births/marriages/deaths): 1742-1912 (parish A)
• Greek Catholic church records (births/marriages/deaths): 1855-1873 (parish B)

• List of municipalities and towns in Slovakia

• "Wayback Machine". statistics.sk. December 31, 2005. Archived from the original on October 6, 2007. Retrieved May 11, 2023.{{cite web}}: CS1 maint: unfit URL (link)
• Cisarik, Juraj. "Genealogy - Tourist Guide - Slovakia - Kosice - Bratislava - Guide to Travel Trip Hotel Info Roots Forum Church Birth Records of Slovakia". cisarik.com. Archived from the original on November 11, 2021. Retrieved May 11, 2023.

49°16′N 20°38′E / 49.267°N 20.633°E / 49.267; 20.633