Princess Irena of Slovenia, Duchess of Maribor (Irena Adelheid Fabienne Blair; b. 27 May 1983 in Ljubljana) is the second child and only daughter of Franc II of Slovenia and Queen Fabienne. She currently stands second in the line of succession to the Slovenian throne and is preceded by her brother, Crown Prince Alfonz of Slovenia.
As of 2004, she is a working member of the Slovenian Royal Family and undertakes both national and international appearances in service of her father. Currently, the Princess resides at Bokalce Castle in Ljubljana.