Giovanni Bernardino Grandopoli (died 1590) was a Roman Catholic prelate who served as Bishop of Lettere-Gragnano (1576–1590).
[1] On 19 September 1576, Giovanni Bernardino Grandopoli was appointed during the papacy of Pope Gregory XIII as Bishop of Lettere-Gragnano.
[1][2] On 4 November 1576, he was consecrated bishop by Giulio Antonio Santorio, Cardinal-Priest of San Bartolomeo all'Isola, with Cesare de' Giacomelli, Bishop of Belcastro, and Gaspare Viviani, Bishop of Hierapetra et Sitia, serving as co-consecrators.
[2] He served as Bishop of Lettere-Gragnano until his death in 1590.
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