Rycerz Niepokalanej (English: Knight of The Immaculate) is a Polish Roman-Catholic monthly magazine.

Its founder and first editor-in-chief was Father Maximilian Kolbe, who remained in this post until March 1939.

By 1927, it grew to 70,000 copies a month, and in 1939, before German Invasion of Poland, the circulation was 800,000.

The magazine was not published during World War II; only one issue came out in December 1940, with permission of German authorities.

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