Ganna is both an Italian surname, a feminine Ukrainian given name (equivalent of Hanna) and a Maltese name (Ġanna-pronounced Gannah in english). Notable people with the name include:
Surname Filippo Ganna (born 1996), Italian cyclist Luigi Ganna (1883–1957), Italian cyclist Marco Ganna (born 1961), Italian sprint canoeist and father of Filippo
Given name Ganna Burmystrova (born 1977), Ukrainian team handball player Ganna Gryniva (born 1989), Ukrainian jazz singer Ganna Ielisavetska, Ukrainian Paralympic swimmer Ganna Khlistunova (born 1988), Ukrainian swimmer Ganna Pushkova-Areshka (born 1978), Belarusian sprint canoeist Ganna Rizatdinova (born 1993), Ukrainian rhythmic gymnast Ganna Siukalo (born 1976), Ukrainian team handball player Ganna Smirnova, Ukrainian dancer Hanna Solovey (born 1992), Ukrainian cyclist Ganna Sorokina (born 1976), Ukrainian diver Ganna Walska (1887–1984), Polish opera singer