Giovanni Leonardo Bottiglieri (died 1599) was a Roman Catholic prelate who served as Bishop of Lettere-Gragnano (1591–1599).
[1] On 14 January 1591, Giovanni Leonardo Bottiglieri was appointed during the papacy of Pope Gregory XIV as Bishop of Lettere-Gragnano.
[1][2] On 3 February 1591, he was consecrated bishop by Filippo Spinola, Cardinal-Priest of Santa Sabina, with César Alamagna Cardona, Bishop of Cava de' Tirreni, and Owen Lewis (bishop), Bishop of Cassano all'Jonio, serving as co-consecrators.
[2] He served as Bishop of Lettere-Gragnano until his death in 1599.
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