Jacek Lech (born Leszek Zerhau; 15 April 1947 in Bielsko-Biała – 25 March 2007 in Katowice) was a popular Polish singer.
The song Bądź dziewczyną moich marzeń ("Be the girl of my dreams") became an instant hit in Poland.
In 1973, Lech was injured in a car accident and took a year off to recuperate.
In February 2007, a special concert was organized to help cover the costs of his treatment.
Lech also received a Lifetime Achievement Award from the Polish Ministry of Culture.