The Secular Institute Pius X or Pius X Secular Institute (I.S.P.X.), is a Roman Catholic Clerical Secular Institute of Consecrated Life of Diocesan Right, for Men.
It has its HQ in Charlesbourg, Quebec City, Canada.
It was established by Henri Roy in 1939. It is named after Pope Pius XII (1939-1958), who started formally recognizing Secular Institutes as such.
(incomplete?; so far, Latin Church Canadians)