Jolanta Dorota Szymanek-Deresz (pronounced [j?'lanta ??'man?k 'd?r??]; July 12, 1954 – April 10, 2010) was a Polish lawyer and politician.
Szymanek-Deresz was born in Przedbórz.
She was elected to Sejm on September 25, 2005, getting 9,723 votes in 16 Plock district, as a candidate for the Democratic Left Alliance.
She was listed on the flight manifest of the Tupolev Tu-154 of the 36th Special Aviation Regiment carrying the President of Poland Lech Kaczynski which crashed near Smolensk-North airport near Pechersk near Smolensk, Russia, on 10 April 2010, killing all aboard.
On 16 April 2010, Szymanek-Deresz was posthumously awarded the Commander's Cross with Star of the Order of Polonia Restituta.