| TFSA | International Symposium on Time-Frequency and Time-Scale Analysis | 时间频率和时间尺度分析国际研讨会 |
| TFSA | Tax-Free Savings Account | 免税储蓄账户 |
| TFSA | Toronto Financial Services Alliance (Ontario, Canada) | 多伦多金融服务联盟（加拿大安大略省） |
| TFSA | Tax-Free Savings Account (Canada) | 免税储蓄账户（加拿大） |
| TFSA | Thin Film Sulfuric Acid Anodize | 薄膜硫酸阳极氧化 |
| TFSA | Total Financial Solutions Australia | 澳大利亚总体金融解决方案 |
| TFSA | Time-Frequency Signal Analysis | 时频信号分析 |
| TFSA | Task Force Support Area | 工作队支持区 |