Ganna is both an Italian surname and a feminine Ukrainian and Belarusian given name. Notable people with the name include:
Surname:
Luigi Ganna (1883–1957), Italian cyclistMarco Ganna (born 1961), Italian sprint canoeistGiven name:
Ganna Burmystrova (born 1977), Ukrainian team handball playerGanna Ielisavetska, Ukrainian Paralympic swimmerGanna Khlistunova (born 1988), Ukrainian swimmerGanna Pushkova-Areshka (born 1978), Belarusian sprint canoeistGanna Rizatdinova (born 1993), Ukrainian rhythmic gymnastGanna Siukalo (born 1976), Ukrainian team handball playerGanna Smirnova, Ukrainian dancerGanna Solovei (born 1992), Ukrainian cyclistGanna Sorokina (born 1976), Ukrainian diverGanna Walska (1887–1984), Polish opera singer