Iwona Elzbieta Sledzinska-Katarasinska (born 3 January 1941 in Komorniki) is a Polish politician.
She was elected to the Sejm on 25 September 2005 getting 23,119 votes in 9 Lódz district, candidating from the Civic Platform list.
In People's Republic of Poland she was a journalist of "Glos Robotniczy" press organ of Polish United Workers' Party in Lódz.
Inspired by communists during 1968 Polish political crisis she has written many anti-Semitic texts.She has been a member of the Polish Sejm since 1991, being the only member continuously serving all terms since the fall of Communism in Poland.
She has served all of her 9 terms from her home constituency of Lódz.