Giovanni Battista Calandra (1586 - c. 1644) was an Italian mosaic artist in the Vatican City, Vatican. He was born at Vercelli in 1586. In the pontificate of Urban VIII, it was found that the dampness of St. Peter's Basilica, St. Peter's materially affected canvases, and henceforth it was determined to remove the principal pictures, and to replace them with copies in mosaic, of which the first was executed by Calandra, after the ''St. Michael'' of Cesare D'Arpino. With this were ''The Four Doctors of the Church'', ''St. Peter'', ''St. Paul'', and others in the cupolas, after the cartoons of D'Arpino, Giovanni Francesco Romanelli, Romanelli, Giovanni Lanfranco, Lanfranco, Andrea Sacchi, Sacchi, and Carlo Pellegrini (17th-century painter), Pellegrini. He also executed a ''Madonna'' after Raphael for the Christina, Queen of Sweden.

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* 1568 births 1640s deaths People from Vercelli 16th-century Italian painters Italian male painters 17th-century Italian painters Mosaic artists {{Italy-painter-16thC-stub