| Marek Całka | |
| Order: | 5th |
| Ambassador From: | Poland |
| Country: | South Korea |
| Term Start: | 2007 |
| Term End: | 2011 |
| Predecessor: | Andrzej Derlatka |
| Successor: | Krzysztof Majka |
| Order2: | 4th |
| Ambassador From2: | Poland |
| Country2: | Azerbaijan |
| Term Start2: | February 2015 |
| Term End2: | 2019 |
| Predecessor2: | Michał Łabenda |
| Successor2: | Rafał Poborski |
| Birth Date: | 2 January 1966 |
| Birth Place: | Warsaw, Poland |
| Nationality: | Polish |
| Children: | one |
| Alma Mater: | University of Warsaw |
| Profession: | Diplomat |
Marek Janusz Całka (born 2 January 1966 in Warsaw, Poland) is a Polish civil servant and career diplomat serving as a Poland ambassador to South Korea (2007–2011) and Azerbaijan (2015–2019).
Marek Całka has graduated from history at the University of Warsaw in 1991.[1] Besides Polish, he speaks English, and Russian languages.[2]
Following his work for the Centre for Eastern Studies (1992–1993), Całka joined the Polish diplomatic service in 1993. At the Ministry of Foreign Affairs in Warsaw he had been responsible mostly for the foreign policy planning, including on the position of the head of the Department of Urban Studies and Planning (1996–1998) and the Eastern Director deputy director (2010–2015). He served as counsellor at the embassies in Budapest (1999–2000) and Moscow (2000–2003). In 2006, he was an Assistant Secretary of State at Chancellery of the Prime Minister. In 2007, he became Poland Ambassador to South Korea. He ended his term in 2010.[3] In December 2014, he was appointed Poland ambassador to Azerbaijan,[4] he took the post in February 2015.[5] He has been accredited also to Turkmenistan.[6] Całka ended his term in 2019.[7] That year he became director of the Department of Economic Cooperation.[8]