Katarzyna Maria Piekarska (pronounced ; born 23 September 1967 in Warsaw) is a Polish left-wing politician, member of the Democratic Left Alliance.
She is a graduate of the Uniwersytet Warszawski in law. She worked as a lawyer.
She was elected to the Sejm on 25 September 2005, getting 26511 votes in 19 Warsaw district as a candidate from Democratic Left Alliance list. However, she failed to be elected in the 2007 election.
She was also a member of Sejm 1993–1997, Sejm 1997–2001, and Sejm 2001–2005. During her third term she was a chairman of the Justice and Human Rights commission.
