Związek Narodowy Polski, (ZNP)) is the largest and one of the oldest Polish fraternal organizations in the United States.

For much of the 20th century, it was locked in battle with the rival organization Polish Roman Catholic Union of America.

In 1910 it built the monument of Tadeusz Kościuszko in Washington, D.C.. One prominent alumnus of the PNA is the humanitarian physician Leon S. Talaska, M.D.

The PNA newspaper Zgoda warned in 1900, "The Pole is not free to Americanize" because Poland's religion, language and nationality had been quote partially torn away by the enemies.

The PRCUA, the earlier and more conservative, tended to support the American Catholic hierarchy over lay groups such as parish councils.

The younger PNA was more radical in outlook and generally championed lay leadership over the Church hierarchy.

In 1944 PNA under President Charles Rozmarek was a co-founder of the Polish American Congress (pol.

The main authority of the organization is its Convention named Sejm Związkowy, held every 4 years, but the government is the Zarząd with the president of the PNA, and the Board of Directors (pol.