BA, B.A., Ba, or ba may refer to:
Banksy is an anonymous England-based street artist, vandal, political activist, and film director. His satirical street art and subversive epigrams combine dark humour with graffiti executed in a distinctive stenciling technique.
Barack Hussein Obama II ( ( listen); born August 4, 1961) is an American politician who served as the 44th President of the United States from January 20, 2009, to January 20, 2017. A member of the Democratic Party, he was the first African American to be elected to the presidency and previously served as a United States Senator from Illinois (2005–2008).
Basketball is a team sport in which two teams of five players, opposing one another on a rectangular court, compete with the primary objective of shooting a basketball (approximately 9.4 inches (24 cm) in diameter) through the defender's hoop (a basket 18 inches (46 cm) in diameter mounted 10 feet (3.048 m) high to a backboard at each end of the court) while preventing the opposing team from shooting through their own hoop.
Bangladesh ( ( listen); Bengali: বাংলাদেশ Bangladesh [ˈbaŋladeʃ] ( listen), lit. "The country of Bengal"), officially the People's Republic of Bangladesh (গণপ্রজাতন্ত্রী বাংলাদেশ Gônoprojatontri Bangladesh), is a country in South Asia.
Barbara Joan Streisand (; born April 24, 1942), known professionally as Barbra Streisand, is an American singer, songwriter, actress, and filmmaker.
The Bahá'í Faith (; Persian: بهائی Bahā'i) is a religion teaching the essential worth of all religions, and the unity and equality of all people.
Baltimore () is the largest city in the U.S. state of Maryland, and the 30th-most populous city in the United States.