BA, B. A., Ba, or ba may refer to:
Barack Hussein Obama II (US /bəˈrɑːk huːˈseɪn oʊˈbɑːmə/ bə-RAHK hoo-SAYN oh-BAH-mə; born August 4, 1961) is an American politician who served as the 44th President of the United States from 2009 to 2017. He is the first African American to have served as president, as well as the first born outside the contiguous United States.
Basketball is a team sport played by two teams of five players on a rectangular court. The objective is to shoot a ball through a hoop 18 inches (46 cm) in diameter and mounted at a height of 10 feet (3.048 m) to backboards at each end of the court.
Baseball is a bat-and-ball game played between two teams of nine players each, who take turns batting and fielding.
Bangladesh (/ˌbæŋɡləˈdɛʃ/; /ˌbɑːŋɡləˈdɛʃ/; বাংলাদেশ, pronounced: [ˈbaŋlad̪eʃ], lit. "The country of Bengal"), officially the People's Republic of Bangladesh (গণপ্রজাতন্ত্রী বাংলাদেশ Gônôprôjatôntri Bangladesh), is a country in South Asia.
Batman is a fictional superhero appearing in American comic books published by DC Comics. The character was created by artist Bob Kane and writer Bill Finger, and first appeared in Detective Comics #27 (1939).
Batman v Superman: Dawn of Justice is a 2016 American superhero film featuring the DC Comics characters Batman and Superman.
The Battle of Okinawa (Japanese: 沖縄戦, Hepburn: Okinawa-sen) (Okinawan: 沖縄戦, translit. Uchinaa ikusa), codenamed Operation Iceberg, was a series of battles fought in the Japanese Ryukyu Islands, centered on the island of Okinawa, and included the largest amphibious assault in the Pacific War during World War II, the 1 April 1945 invasion of Okinawa itself.
The Bahá'í Faith (Persian: بهائی Bahā'i) is a monotheistic religion which emphasizes the spiritual unity of all humankind.
Baltimore (/ˈbɔːltᵻˌmɔːr/, locally: [ˈbɔɫ.mɔɻ]) is the largest city in the U.S. state of Maryland, and the 29th-most populous city in the country.