| SFO | SAN FRANCISCO | 三藩市 |
| SFO | San Francisco, CA, USA - San Francisco International Airport (airport code) | 美国加利福尼亚州旧金山-旧金山国际机场（机场代码） |
| SFO | Star Flower Oil | 星星花油 |
| SFO | Serious Fraud Office | 严重欺诈办公室 |
| SFO | Bitstream font file - fontware format | Bitstream字体文件-fontware格式 |
| SFO | Support for Others (USACE) | 支持他人（USACE） |
| SFO | Special Factory Order | 特殊工厂订单 |
| SFO | San Francisco International Airport, San Francisco, California USA | 美国加利福尼亚州旧金山市旧金山国际机场 |
| SFO | Striking Fixed Objects | 打击固定对象 |
| SFO | San Francisco Orthodontists | 旧金山矫正医师 |
| SFO | Solicitation for Offers | 要约征集 |
| SFO | Star Fleet Operations | 明星车队运营 |
| SFO | Street Fighter Online (gaming) | 街头霸王在线（游戏） |
| SFO | Sonic Foundary, Inc. | Sonic Foundary公司。 |
| SFO | San Francisco International Airport | 旧金山国际机场 |
| SFO | Strawberry Flavored Objects | 草莓味物体 |
| SFO | Subfornical Organ | 穹窿下器官 |
| SFO | Simulated Flameout | 模拟熄火 |
| SFO | Securities And Futures Ordinance | 证券及期货条例 |
| SFO | Struggle For Organization | 为组织而奋斗 |
| SFO | Squad Five O (band) | 五班O（乐队） |
| SFO | Starfleet Operations | 星际舰队运营 |
| SFO | Senior First Officer | 高级大副 |
| SFO | Sex for One | 性为一 |
| SFO | Strategy Focused Organization (Balanced Scorecard Collaborative) | 以战略为中心的组织（平衡计分卡协作） |
| SFO | Simulated Flame-Out | 模拟火焰熄灭 |
| SFO | Secular Franciscan Order | 世俗方济各会秩序 |
| SFO | Satellite Field Office | 卫星现场办公室 |
| SFO | Scholarship Funding Organization | 奖学金资助机构 |
| SFO | SociÉtÉ Française d'Orchidophilie (French) | SociÉtÉ Française d'Orchidophilie (French) |
| SFO | Skole Fritids Ordning (in Norway; after school childcare) | Skole Fritids Ordning（挪威；放学后儿童保育） |
| SFO | Supervised Flight Operations (aviation) | 监督飞行操作（航空） |
| SFO | Serious Fraud Office (UK) | 严重欺诈办公室（英国） |
| SFO | SociÉtÉ Française d'Ophtalmologie | SociÉtÉ Française d'Ophtalmologie |
| SFO | Senior Fire Officer | 高级消防官员 |
| SFO | Statutory Funding Objective (UK) | 法定资金目标（英国） |
| SFO | Sector Field Office | 部门现场办公室 |
| SFO | San Francisco (Operations) Office (Department Of Energy) | 旧金山（运营）办公室（能源部） |