Sygnały Magazyn (Signals Magazine) was a Polish cultural and social magazine published 1933–1939 in Lwów (Lemberg, today Lviv, Ukraine). It was a leading periodical of the leftist Polish intelligentsia. The journal started as a 12-page monthly and was subsequently published once every two weeks, with editions of up to 32 pages. Sygnały was published in the tabloid format, similar to the New York Times at about 56x40 cm (22x16 inches).
Its editor-in-chief was Karol Kuryluk, and the editorial committee included Tadeusz Banaś, Stanisława Blumenfeld, Halina Górska, Tadeusz Hollender, , Andrzej Kurczkowski and Marian Prominski.
Among the literary contributors from Poland figured Erwin Axer, Maria Dąbrowska, Jan Kasprowicz, Stanisław Jerzy Lec, Bruno Schulz, Leopold Staff, Julian Tuwim, and .
International literary contributors included Henri Barbusse, André Malraux, Carl von Ossietzky, Bertrand Russell, Upton Sinclair and Paul Valéry.
The magazine featured reproductions of art work by Alexander Archipenko, Jan Cybis, Xawery Dunikowski, Max Ernst, Henryk Gotlib, , , Bruno Schulz, and Zygmunt Waliszewski; avant-garde photographs and photomontages by Otto Hahn, Jerzy Janisch, Margit Sielska and ; and caricatures by K. Baraniecki, F. Kleinmann, and Franciszek Parecki.