Nanna may refer to:

• Nanna (Sumerian deity) (Suen), god of the moon in Sumerian mythology
• Nanna (Tamil deity), god of the moon in Tamil Nadu mythology
• Nanna (Norse deity), the wife of Baldr (Balder) in Norse mythology
• Nanna (music), a kind of Corsican music
• Rafi Khawar Nanna, film actor and comedian of Lollywood
• 1203 Nanna, an asteroid
• Nanna (singer), an Indian singer
• Nanna Lüders Jensen, a Danish singer
• Bob Nanna, an American musician

In other uses:

• Nanna (also spelt: Nana) is a term that means "grandmother", the mother of an individual's father or mother
• Nanna (also spelt: Nana) is a Hindi or Urdu term that means "grandfather" — mother's father or father's father are called Dada or Baba respectively
• Nanna is a very common name in Scandinavia, though mostly used in Denmark

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