Ewa Leniart was born in 1976 in Dylągówka in Podkarpackie Voivodeship.
In the years 1995 – 2000 she was a student at the Faculty of Law at Rzeszów branch of Maria Curie-Skłodowska University in Lublin, where she received a master’s degree in law.
For three years (2002-2005) she was a Chief of the Legal and Organisational Division in Branch Office of the Institute of National Remembrance in Rzeszów.
In the period from December 2005 until January 2007 she was a coordinator and director of the Voivode’s Cabinet in Podkarpackie Voivodeship Office in Rzeszów.
From February 1, 2007 to December 8, 2015 she held the positon of the director of Branch Office of the Institute of National Remembrance in Rzeszów.
On February 2014 she obtained Ph.D. degree in law.
In the years 2015-2019 she was the Voivode of the Podkarpackie Voivodeship. In 2019 Ewa Leniart was elected as a deputy to the Polish Sejm. On 13th January 2020, Mateusz Morawiecki Polish Prime Minister appointed her again the Voivode of the Podkarpackie Voivodeship.