Henryk Józef Nowacki (born 11 August 1946) is a Polish prelate of the Catholic Church who has spent his career in the diplomatic service of the Holy See.

On 8 February 2001, Pope John Paul II appointed him titular archbishop of Blera and Apostolic Nuncio to Slovakia.

On 28 November 2007, Pope Benedict XVI named him Apostolic Nuncio to Nicaragua.

[3] On 6 October 2012 Nowacki was named Apostolic Nuncio in Denmark, Finland and Norway as well.

[4] He retired in February 2017 for health reasons[citation needed] after a private audience with Pope Francis.