Judge Ewa Łętowska was born on 22 March 1940 in Warsaw. Graduated from the Faculty of Law of the Warsaw University in 1962. Between 1963 and 1965 completed a judicial training. Awared her juris doctor's degree in 1968, and a habilitated doctor’s degree in civil law in 1975. A full professor since 1986. In the years 1977 - 1987 Head at the Legal Studies Institute of the Polish Academy of Sciences.

From 1987 to 1992 the Commissioner for Citizens’ Rights and, from 1999 to 2002, a judge of the Supreme Administrative Court.

A correspondent member of the Polish Academy of Sciences and Arts, a member of the Académie de Droit Comparé in Paris, of the Helsinki Committee (membership suspended), and the International Commission of Jurists (Geneva).

In 1993 nominated for the Women of the Year Award. She has received many awards for her educational activity in the field of law. In 1995 awareded the Friedrich Ebert Foundation prize. Since 1993 an expert of the Standards Application Committee of the International Labour Organization. Lecturer at the Sorbonne Univeristy in Paris in 1994.

Awarded the Commander's Cross of the Order of Polonia Restituta.

Author of 19 books on civil and constitutional law and over 300 papers, articles and glosses.

Ewa Łętowska was a Justice of the Constitutional Tribunal from 2002 to 2011.