Adna is a given name of Hebrew origin. Notable people with the name include:

Adna Anderson (1827–1889), US engineer Adna Chaffee (1842–1914), Lieutenant General in the United States Army Adna R. Chaffee, Jr. (1884–1941), major general in the United States Army Joseph Adna Hill (1860–1938), American statistician Adna R. Johnson (1860–1938), U.S. Representative from Ohio Adna Wright Leonard (1874–1943), US Methodist bishop Adna mac Uthidir (fl. 1st-century AD), Irish poet LaMarcus Adna Thompson (1848–1919), US inventor and businessman

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