| FOL | Fiber Optic Laser | 光纤激光器 |
| FOL | Forward Operating Location | 正向操作位置 |
| FOL | Friend Of The Library | 图书馆之友 |
| FOL | Fart Out Loud | 大声呼喊 |
| FOL | Friends of LIVE (band) | LIVE之友（乐队） |
| FOL | Flavor of Love (VH1 show) | 爱的味道（VH1节目） |
| FOL | Fiber Optic Layout | 光纤布局 |
| FOL | Full Overlap | 完全重叠 |
| FOL | First Order Logic | 一阶逻辑 |
| FOL | Fiber-Optic Lines/Loops | 光纤线路/钮扣 |
| FOL | Fiber Optic Link | 光纤链路 |
| FOL | Focus On Learning (accreditation process for schools) | 关注学习（学校认证流程） |
| FOL | 1st Reader FOLder of saved messages | 已保存邮件的第一个阅读器文件夹 |
| FOL | Falls Over Laughing | 因大笑而跌倒 |
| FOL | Friends Of Lulu | 露露的朋友 |
| FOL | Friends of the Library | 图书馆之友 |
| FOL | Foundations of Leadership | 领导力基础 |
| FOL | Folder | 文件夹 |
| FOL | Fortress of Louisbourg (Canada) | 路易斯堡城堡（加拿大） |
| FOL | Flower of Life | 生命之花 |
| FOL | Family of Loudspeakers (US Navy) | 扬声器系列（美国海军） |
| FOL | Free on Loan | 免费贷款 |
| FOL | Found On Linoleum (EMT slang; as in LOL FOL - Little Old Lady Found On Linoleum) | 在Linoleum上发现（EMT俚语；如LOL FOL-在Linolel上发现的小老太太） |
| FOL | Foundations of Literature | 文学基础 |
| FOL | Follow(ed/ing) | 跟(ed/ing) |
| FOL | Festival of Lakes | 湖泊节 |
| FOL | Fiber-Optic Laryngoscopy | 光纤喉镜 |
| FOL | Frente Obrero Liberashon (Dutch: Workers' Liberation Front, Netherlands Antilles) | Frente Obrero Liberashon(荷兰:工人解放阵线,荷兰安提尔斯) |
| FOL | Fall of Land (civil engineering) | 土地陷落（土木工程） |
| FOL | Fact of Life | 生活的事实 |
| FOL | First-Order Logic (logic, math) | 一阶逻辑（逻辑、数学） |
| FOL | Fachoberlehrkraft (German schools) | Fachoberlehrkraft（德国学校） |
| FOL | Flight Operating Limitation | 飞行操作限制 |
| FOL | Friends of Laphroaig | Laphraig之友 |
| FOL | fiber optic link (US DoD) | 光纤链路（美国国防部） |
| FOL | Face-Offs Lost (hockey) | 面部偏移丢失（曲棍球） |