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Look up Aadu in Wiktionary, the free dictionary.

Aadu is an Estonian male given name.

Its variant is Ado. These names are variants of the names Adam and Adolf.

Some of the known bearers of this name are:

• Aadu Birk (1883–1942), Estonian politician
• Aadu Hint (1910–1989), Estonian writer
• Aadu Luukas (1939–2006), Estonian businessman
• Aadu Must (born 1951), Estonian historian and politician