| Birth Date: | 13 January 1905 |
| Birth Place: | Kovel, Vistula Land, Russian Empire |
| Death Date: | 14 August 1963 |
| Death Place: | Warsaw, Poland |
| School Tradition: | |
| Era: | 20th-century philosophy |
| Jan Stachniuk | |
| Other Names: | Stoigniew (pseudonym) |
| Nationality: | Polish |
| Region: | Western philosophy
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Jan Stachniuk (13 January 1905 – 14 August 1963) was a Polish philosopher, an editor-in-chief of the Polish pre-war nationalist journal Zadruga, the creator of the Zadruga Movement, a theoretician and the founder of culturalism.
Jan Stachniuk was born on 13 January 1905 in Kovel. In 1930 he finished his education at the College of Commerce in Poznań. During World War II, he fought in the ranks of the Home Army.