BGA can refer to: Bach-Gesellschaft Ausgabe, the first complete edition of the works of J.S. Bach Ball Grid Array, a type of surface-mount packaging used for integrated circuits Battle Ground Academy, a private school in Franklin, Tennessee, USA Behavior Genetics Association BGA, a bank in Honduras acquired by HSBC in 2007 Break glass alarm, a type of manually activated fire alarm British Gliding Association British Go Association British Geophysical Association… (More on Bga)