Juliusz Heinzl Palace (Polish pronunciation: [juliuʂ xɛinzl]), is a palatial mansion at 104 Piotrkowska Street in Łódź, Poland.

It is the first of the three residences of Heinzel (also spelled Heinzl), its construction was completed in 1882 by Hilary Majewski and Otto Gehlig.

The façade is crowned with a sculptural figural composition, depicting allegories of Freedom, Industry, and Trade.

Prząśniczka (Polish pronunciation: [pʐɔ̃ɕnit͡ʂka]) is a song composed by Stanisław Moniuszko and written by Jan Czeczot.

The bugle call is played every day on the trumpet, at 12:00, from the window of the City Council at Piotrkowska 106 (until September 8, 2011 from the balcony of the Heinzl's palace).