Nostra Signora del Santissimo Sacramento e dei Santi Martiri Canadesi (French: Notre-Dame-du-Très-Saint-Sacrement-et-Saints-Martyrs-Canadiens, "Our Lady of the Blessed Sacrament and the Canadian Martyrs") is the Roman Catholic national church of Canada, located at 46, Via Giovanni Battista de Rossi, Rome.

[1] It was made a parish church, served by the Congregation of Priests of the Most Holy Sacrament, by Pope Pius XII.

Initially, the church was named Nostra Signora del Santissimo Sacramento (Our Lady of the Blessed Sacrament) but was re-consecrated in 1962.

The church contains a high altar designed by Francesco Nagni, ceramic decorations (including a fine crucifix) by Angelo Biancini.

Biancini's terracotta ambo has panels depicting The Last Supper and the Madonna and Child.