In 1921, Zawieyski made his debut with poems (Strzępy) under the pseudonym Konar-Nowicki.
In 1926, he graduated from the School of Drama in Kraków.
From 1926 to 1928, he was an actor at the Reduta Theatre and editor of the magazine Teatr Ludowy.
From 1929 to 1931, he was staying in France, where he worked as an instructor of Polonia amateur drama groups.
After returning to Poland, until 1939, he worked as the director of the Instytut Teatrów Ludowych (Institute for Folklore Theaters), actor and literary manager of the Ataneum Theatre.
In his youth, Zawieyski had been an atheist and did not convert to Catholicism until the 1930s.

After World War II, Zawieyski worked as a lecturer at the Catholic University of Lublin (Katolicki Uniwersytet Lubelski, KUL).
He co-founded the Klub Inteligencji Katolickiej, whose president he was until 1957.
He was a member of the editorial boards of Tygodnik Powszechny (From 1946 until 1952, and again from 1956) and Znak (1946–1951 and from 1957).
In 1949, he was awarded by the Polish episcopate.
In 1957–1969, he was a member of the Sejm of the People's Republic of Poland.
In 1957–1968, he was a member of the Polish Council of State.

Zawieyski was homosexual.
In 1933 he met Stanisław Trębaczkiewicz.
They fell in love and lived together until Zawieyski's death in 1969.
Both, in accordance with their wishes, are buried in the same grave in Laski Cemetery near Warsaw.
In 1921, Zawieyski made his debut with poems (Strzępy) under the pseudonym Konar-Nowicki. In 1926, he graduated from the School of Drama in Kraków. From 1926 to 1928, he was an actor at the Reduta Theatre and editor of the magazine Teatr Ludowy. From 1929 to 1931, he was staying in France, where he worked as an instructor of Polonia amateur drama groups. After returning to Poland, until 1939, he worked as the director of the Instytut Teatrów Ludowych (Institute for Folklore Theaters), actor and literary manager of the Ataneum Theatre. In his youth, Zawieyski had been an atheist and did not convert to Catholicism until the 1930s.
After World War II, Zawieyski worked as a lecturer at the Catholic University of Lublin (Katolicki Uniwersytet Lubelski, KUL). He co-founded the Klub Inteligencji Katolickiej, whose president he was until 1957. He was a member of the editorial boards of Tygodnik Powszechny (From 1946 until 1952, and again from 1956) and Znak (1946–1951 and from 1957). In 1949, he was awarded by the Polish episcopate. In 1957–1969, he was a member of the Sejm of the People's Republic of Poland. In 1957–1968, he was a member of the Polish Council of State.
Zawieyski was homosexual. In 1933 he met Stanisław Trębaczkiewicz. They fell in love and lived together until Zawieyski's death in 1969. Both, in accordance with their wishes, are buried in the same grave in Laski Cemetery near Warsaw.
Jerzy Zawieyski