Jan Tadeusz Tombiński (born 4 October 1958, Kraków)[1] is a Polish historian and diplomat, Poland ambassador to Slovenia (1996–1998), France (2001–2006), permanent representative to the European Union (2007–2012), and EU ambassador to Ukraine (2012–2016) and the Holy See (2016–2020).

He received his Master titles from German studies (1984) and history (1985) at the Jagiellonian University, Kraków.

In 1995, he was posted at the newly formed embassy in Ljubljana, following year being nominated ambassador to Slovenia, accredited also to Bosnia and Herzegovina.

[5] Later, he joined the European External Action Service, serving as an EU ambassador to Ukraine (2012–2016)[6] and the Holy See (2016–2020).

[9] Besides Polish, Tombiński speaks English, German, French, Slovene, Czech, and Ukrainian.