| BTW | by the way | 顺便说一句 |
| BTW | Block Transfer Write | 块传输写入 |
| BTW | But That's Wild | 但是这太疯狂了 |
| BTW | Bin Total Wech | 垃圾箱总数 |
| BTW | Belasting Toegevoegde Waarde | Belasting Toegevoegde Waarde公司 |
| BTW | Brothers of the Third Wheel | 第三轮兄弟 |
| BTW | Breast Test Wales | 威尔士乳房测试 |
| BTW | Bekannte Teilwahrheit | Bekannte Teilwahreit公司 |
| BTW | Booker T. Washington | 布克·T·华盛顿 |
| BTW | Burn The Witches | 烧死女巫 |
| BTW | Be That Way (less common) | 那样（不太常见） |
| BTW | Beyond These Walls | 越过这些墙 |
| BTW | Bridging the Watershed (educational outreach program) | 跨越分水岭（教育外展计划） |
| BTW | Brothers of the Third Wheel (trikers organization) | 第三轮兄弟（三轮车组织） |
| BTW | Breaching the Web | 破坏网络 |
| BTW | Back To Work (shorthand used in email) | 返回工作岗位（电子邮件中使用的速记） |
| BTW | Bearing to Waypoint | 方位到航路点 |
| BTW | By the Way (Red Hot Chili Peppers album) | 顺便（红辣椒专辑） |
| BTW | Butuanon (SIL code, Philippines) | Butuanon（SIL代码，菲律宾） |
| BTW | Blood Thirsty Warriors (gaming clan) | 嗜血战士（游戏部落） |
| BTW | Bridge the World | 架起世界桥梁 |
| BTW | Belasting op Toegevoegde Waarde (Dutch: Tax On Added Value) | Belasting op Toegevoegde Waarde（荷兰语：增值税） |
| BTW | Band-To-Wavelength | 波段到波长 |
| BTW | Before the War | 战前 |
| BTW | Born to Win | 天生的赢家 |
| BTW | Books That Work | 有效的书籍 |
| BTW | Beyond the Wall | 墙外 |
| BTW | Barbarian: Total War (game mod) | 野蛮人：全面战争（游戏mod） |
| BTW | Bad To Watch | 不适合观看 |
| BTW | BioTech World | 生物技术世界 |
| BTW | Behind the Wheel | 车轮后面 |
| BTW | Breast Test Wales (Welsh breast cancer screening program) | 威尔士乳腺癌筛查计划 |
| BTW | Bundesverband der Deutschen Tourismuswirtschaft | 德国旅游局 |
| BTW | Board Test Workshop | 板测试车间 |
| BTW | Buried Transuranic Waste | 地下超铀废物 |
| BTW | Boat Wave | 艇波 |
| BTW | Below the Waist | 腰部以下 |
| BTW | Between The Words | 字里行间 |
| BTW | Below the Water | 水下 |
| BTW | British Traditional Wicca | 英国传统巫术 |
| BTW | British Traditional Witchcraft | 英国传统巫术 |
| BTW | Belasting Toegevoegde Waarde (Dutch: value added tax) | Belasting Toegevoegde Waarde（荷兰语：增值税） |
| BTW | Bike This Way | 自行车这边 |
| BTW | Burlington Trailways Charters and Tours | 伯灵顿小道租船和旅游 |
| BTW | Business and Technical Writing | 商务和技术写作 |
| BTW | Between the Wars | 战争之间 |
| BTW | Balls to the Wall | 墙上的球 |