| Marek Ziółkowski | |
| Term Start: | 2017 |
| Term End: | 2019 |
| Predecessor: | Jacek Najder |
| Successor: | Tomasz Szatkowski |
| Predecessor2: | Anna Grupińska |
| Successor2: | Jacek Bazański |
| Predecessor3: | Jerzy Bahr |
| Successor3: | Jacek Kluczkowski |
| Birth Place: | Kętrzyn, Poland |
| Nationality: | Polish |
| Children: | two |
| Alma Mater: | University of Warsaw |
| Profession: | Diplomat |
| Office: | Poland Ambassador to NATO |
| 1Blankname: | Secretary General |
| 1Namedata: | Jens Stoltenberg |
| Appointer: | Andrzej Duda |
| Office1: | Undersecretary of State in the Ministry of Foreign Affairs |
| Appointer1: | Beata Szydło |
| Termstart1: | 2015 |
| Termend1: | 2017 |
| Office2: | Poland Ambassador to Kenya |
| Termstart2: | 2012 |
| Termend2: | 2015 |
| Appointer2: | Bronisław Komorowski |
| 1Namedata2: | Mwai Kibaki Uhuru Kenyatta |
| 1Blankname2: | President |
| Office3: | Poland Ambassador to Ukraine |
| Appointer3: | Aleksander Kwaśniewski |
| 1Blankname3: | President |
| 1Namedata3: | Leonid Kuchma Viktor Yushchenko |
| Termstart3: | 2001 |
| Termend3: | 2005 |
| Office4: | Poland Chargé d'Affaires to Belarus |
| Termstart4: | 1995 |
| Termend4: | 1996 |
| Predecessor4: | Elżbieta Smułkowa |
| Successor4: | Ewa Spychalska |
| Appointer4: | Władysław Bartoszewski |
| 1Blankname4: | President |
| 1Namedata4: | Alexander Lukashenko |
Marek Ziółkowski (born 1955 in Kętrzyn) is a Polish diplomat, ambassador of Poland to Ukraine (2001–2005), Kenya (2012–2015), and NATO (2017–2019).
Marek Ziółkowski has graduated from philosophy at the University of Warsaw. He was working in the tourism industry.
In 1991, he joined the diplomatic service. He was deputy head of the Polish Consulate-General and Embassy in Mińsk until 1996. From 1997 to 2001 he was the deputy director and director of the Department of Eastern Europe at the Ministry of Foreign Affairs. He served as an ambassador to Ukraine (2001–2005). From 2006 to 2008 he was the deputy director of the Security Policy Department, and then the director of the MFA Department of Development Cooperation (2008–2011).[1] Later, he was Poland ambassador to Kenya, responsible also for the relations with UN-HABITAT, Burundi, Comoros, Madagascar, Mauritius, Rwanda, Somalia, Seychelles, Tanzania and Uganda (2012–2015).[2] In December 2015 he was appointed Undersecretary of State for Eastern and Security Policy at the Ministry of Foreign Affairs.[3] In May 2017, the President of the Republic of Poland appointed him as Permanent Representative of Poland to NATO.[4] He ended his term on 31 March 2019.[5] Since 2021 retired.
In regards to personal life, Ziółkowski is married and has two children.[6]