TSBA
| Acronym | Definition |
|---|---|
| TSBA | Tennessee School Boards Association (est. 1939; Nashville, TN) |
| TSBA | Total Serum Bile Acid |
| TSBA | Texas Sport Bike Association |
| TSBA | Tryptic Soy Broth Agar (microbiology) |
| TSBA | Transactions of the Society of Biblical Archaeology |
| TSBA | Thai Sunshine Business Advisors (Thailand) |
| TSBA | Theater Support Base Activation |