BA, B.A., Ba, or ba may refer to:
Barack Hussein Obama II ( (listen); born August 4, 1961) is an American attorney and politician who served as the 44th president of the United States from 2009 to 2017. A member of the Democratic Party, he was the first African American to be elected to the presidency.
Basketball is a team sport in which two teams, most commonly of five players each, 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 (; 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.
The Battle of the Bulge, also known as the Ardennes Counteroffensive, took place from 16 December 1944 to 25 January 1945, and was the last major German offensive campaign on the Western Front during World War II.
The fictional superhero Batman, who appears in American comic books published by DC Comics, has appeared in various films since his inception.
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 ( BAL-di-MOR (local)) is the largest city in the state of Maryland within the United States.
Bangalore, officially known as Bengaluru ([ˈbeŋɡəɭuːɾu] (listen)), is the capital of the Indian state of Karnataka.