Gello is a female demon or revenant in Greek mythology.

Gello may also refer to:

Places in Italy Gello, Bibbiena, a village in the province of Arezzo Gello, Montecatini Val di Cecina, a village in the province of Pisa Gello, Palaia, a village in the province of Pisa Gello, Pescaglia, a village in the province of Lucca Gello, Pistoia, a village in the province of Pistoia Gello, Pontedera, a village in the province of Pisa Gello, San Giuliano Terme, a village in the province of Pisa Gello Biscardo, a village in the province of Arezzo

Other uses Gello Expression Language, a class-based object-oriented programming language Mir Mohammad Asim Kurd Gello (born 1957), Pakistani politician

See also Jello (disambiguation) Geilo, a ski resort town in Norway Geilo (bishop) (died 888), Catholic bishop