Guido Bastianini (born September 10, 1945 in Florence) is an Italian papyrologist and palaeographer.
He took part in various archaeological missions in Egypt organized by the Istituto Papirologico "G. Vitelli" and the Egyptian Museum in Cairo (March–April 1969, September–October 1972, April 1973), both on the excavation of Antinoe (September–October 1973, December 1974 - January 1975).
In Milan Bastianini, together with Claudio Gallazzi (then Associate Professor of Greek Paleography), studied the papyri held by the University collection and published several studies concerning papyrology and the history of the discipline; in these years, he examined, revised and published several papyri held by various collections.
During his teaching career, he also was involved in university administration, both in Milan and in Florence.
VIII 309); with other scholars he edited two volumes (XV and XVI) of the Papiri della Società Italiana (PSI)—the first two appeared since 1957.