Mariusz Woźniak (4 March 1944 – 4 November 2020) was a Polish diplomat, ambassador to Indonesia (1991–1995), Jordan (1999–2003), and Ethiopia (2005–2007).
Woźniak graduated from English studies at the University of Warsaw.
In 1981, he started his diplomatic career at the Ministry of Foreign Affairs as expert.
He served at the embassies in Washington, D.C. (1981–1982), as First Secretary in Tokyo (1983–1987).
Following his short stay at the diplomatic protocol in Warsaw, he ended his career as ambassador in Ethiopia (2005–2007).