Calvinium, Conference hall and music venue in Geneva, Switzerland

The Calvinium, also called Salle de la Réformation, was an events building at the corner of Rue du Rhône and Boulevard Helvétique in Geneva. It was built in honour of John Calvin by Jean-Henri Merle d'Aubigné. It was demolished in 1969 and replaced by a building that now houses the South African consulate.

Built in honour of John Calvin by Jean-Henri Merle d'Aubigné, the Calvinium stood at the corner of Rue du Rhône and Boulevard Helvétique. Its assembly hall hosted the first meeting of the League of Nations assembly on 15 November 1920 and the World Economic Conference in May 1927. The building was demolished in 1969 and replaced by a structure now housing the South African consulate.

The building was erected in honour of John Calvin, after whom it was named, by Jean-Henri Merle d'Aubigné. Its alternative name, Salle de la Réformation, tied it to Geneva's Reformation tradition. The Illés Relief, a scale model of Jerusalem, was kept there for 42 years before being moved out to make room for the League of Nations.

The Calvinium stood at the corner of Rue du Rhône and Boulevard Helvétique, on the right bank of the Rhône in central Geneva. It was demolished in 1969, so nothing of the hall remains to visit; the site is now occupied by a building housing the South African consulate.

The Illés Relief, a detailed scale model of Jerusalem, was kept in the Calvinium for 42 years before being moved out to make room for the League of Nations. The building itself was demolished in 1969; its site at Rue du Rhône and Boulevard Helvétique now holds the South African consulate.