BA, B.A., Ba, or ba may refer to:
Barack Hussein Obama II (US: 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.
Bangladesh ( or ; Bengali: বাংলাদেশ Bāṃlādēśa, pronounced [ˈbaŋlad̪eʃ], lit. "The country of Bengal"), officially the People's Republic of Bangladesh (গণপ্রজাতন্ত্রী বাংলাদেশ Gaṇaprajātantrī Bāṃlādēśa), is a country in South Asia.
Bangalore (), officially known as Bengaluru ([ˈbeŋɡəɭuːɾu]), is the capital of the Indian state of Karnataka.
Baltimore (, locally: [ˈbɔɫ.mɔɻ]) is the largest city in the U.S. state of Maryland, and the 29th-most populous city in the country.
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.
Batman v Superman: Dawn of Justice is a 2016 American superhero film featuring the DC Comics characters Batman and Superman.
Bangkok (UK: , US: ) is the capital and most populous city of the Kingdom of Thailand. It is known in Thai as Krung Thep Maha Nakhon (กรุงเทพมหานคร, pronounced [krūŋ tʰêːp mahǎː nákʰɔ̄ːn]) or simply Krung Thep ( listen ).