BA, B.A., Ba, or ba may refer to:
Bangladesh ( ( listen); Bengali: বাংলাদেশ Bāṃlādēśa [ˈbaŋlad̪eʃ] ( listen), 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] ( listen)), is the capital of the Indian state of Karnataka.
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 (, locally [ˈbɔɫmɔɻ]) is the largest city in the U.S. state of Maryland, and the 30th-most populous city in the United States.
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] ( listen)) or simply Krung Thep ( listen ).