The Institute of the Mother of Good Counsel (Italian: Istituto Mater Boni Consilii; Latin: Institutum Mater Boni Consilii; IMBC) is a sedeprivationist traditionalist Catholic religious congregation based in Italy.

[1] The Institute of the Mother of Good Counsel was formed in December 1985, when four Italian priests left the Society of Saint Pius X (SSPX).

These priests were dissatisfied with the position the SSPX, which acknowledged John Paul II as a true pope but disobeyed him.

[4] In 1987, Des Lauriers consecrated to the episcopacy Father Giorgio Munari, an Italian priest and member of the IMBC.

[7] On 16 January 2002, McKenna consecrated to the episcopacy Father Geert Stuyver [it; pt; fr],[8] a Belgian priest and member of the IMBC, who administers to the needs of the institute at present.