August Hlond, SDB was a Polish Salesian prelate who served as Archbishop of Poznań and Gniezno and as Primate of Poland. He was later appointed as Archbishop of Gniezno and Warsaw and was made a cardinal of the Catholic Church by Pope Pius XI in 1927.

The Salesians of Don Bosco (SDB), formally known as the Society of Saint Francis de Sales, is a religious congregation of men in the Catholic Church, founded in 1859 by the Italian priest John Bosco to help poor and migrant youngsters during the Industrial Revolution. The congregation was named after Francis de Sales, a 17th-century bishop of Geneva.