Na can refer to: · Sodium, chemical element · The name of a tribal people of Arunachal Pradesh. See Nga people · The name of a small ethnic group living in Yunnan and Sichuan Provinces in China. See Mosuo · Na , Mesua ferrea a tree native to Sri Lanka, India, southern Nepal, Indochina, and the Malay Peninsula. · Na , a Korean family name · Na , the ? or ? kana in the Japanese language · Na , a play by the Indian playwright Anand Gandhi NA may refer to · Avogadro's number ? abbreviated to NA · Namibia (ISO country code) · Narcotics Anonymous · One of several National Alliances · National Association, the official designation of federally-chartered banks in the United States. · National Association of Professional Base Ball Players (the sole professional "league" 1871-1875) · National Association of Profess