AA or Aa may refer to:
Aaliyah Dana Haughton (; January 16, 1979 – August 25, 2001) was an American singer, actress, and model.
Aamir Khan (pronounced [ˈaːmɪr ˈxaːn]; born Mohammed Aamir Hussain Khan on 14 March 1965) is an Indian film actor, director, and producer.
Aaron Hillel Swartz (November 8, 1986 – January 11, 2013) was an American computer programmer, entrepreneur, writer, political organizer, and Internet hacktivist.
Aaron Charles Rodgers (born December 2, 1983) is an American football quarterback for the Green Bay Packers of the National Football League (NFL).
Aachen (German pronunciation: [ˈʔaːxn̩]) or Bad Aachen, traditionally known in English and French as Aix-la-Chapelle (French pronunciation: [ɛks.lɑ.ʃɑ.pɛl]), is a spa and border city in North Rhine-Westphalia, Germany.
Aaron Burr Jr. (February 6, 1756 – September 14, 1836) was an American politician. He was the third Vice President of the United States (1801–1805), serving during Thomas Jefferson's first term.