Joseph Zen Ze-kiun, SDB is a retired Chinese cardinal of the Catholic Church who served as Bishop of Hong Kong from 2002 to 2009. He was made a cardinal by Pope Benedict XVI in 2006 and has been outspoken on issues regarding human rights, political freedom, and religious liberty.

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.