| PTH | Plated-Through-Hole technology | 镀通孔技术 |
| PTH | primary thrombocythemia | 原发性血小板增多症 |
| PTH | post-transfusion hepatitis | 输血后肝炎 |
| PTH | Plated Through Hole | 电镀通孔 |
| PTH | Pagan Tea House | 帕甘茶馆 |
| PTH | Portable Thread | 便携式线程 |
| PTH | Port Heiden, Alaska USA | 美国阿拉斯加州海登港 |
| PTH | Photogenic Tilting Handle | 照相倾斜手柄 |
| PTH | Person To Hold | 要保留的人员 |
| PTH | Pure Titanium Hybrid | 纯钛混合 |
| PTH | Put Through Hole (integrated circuits packaging) | 穿通孔（集成电路封装） |
| PTH | Planet Tony Hawk (gaming website) | 星球托尼·霍克（游戏网站） |
| PTH | Path (aviation) | 路径（航空） |
| PTH | Phenylthiohydantoin | 苯硫乙内酰脲 |
| PTH | Prime Tanning Hours | 初鞣时间 |
| PTH | Plated Through Hole (semiconductor manufacturing) | 电镀通孔（半导体制造） |
| PTH | protionamide | 质子酰亚胺 |
| PTH | Prelude to Hope (film by Clear Concrete Productions) | 希望前奏曲（由Clear Concrete Productions制作的电影） |
| PTH | prior to hospitalization | 住院前 |
| PTH | Pin Through Hole (printed circuit boards) | 销通孔（印刷电路板） |
| PTH | parathormone(parathyroid hormone) | 甲状旁腺素 |
| PTH | 3-phenyl-2-thiohydantoin | 3-苯基-2-硫代乙内酰脲 |
| PTH | Pro-femmes Twese Hamwe (Rwanda) | 亲女性Twese Hamwe（卢旺达） |
| PTH | Precipitation Top Height | 降水顶部高度 |
| PTH | Protest the Hero (band) | 抗议英雄（乐队） |
| PTH | Partially Torn Hamstring (physiotherapy) | 部分撕裂的腿筋（理疗） |
| PTH | Provincial Trunk Highway (Canada) | 省级干线公路（加拿大） |
| PTH | Pedagogisch Technische Hogeschool (Netherlands Technical Teacher Training) | Pedogogisch Technische Hogeschool（荷兰技术教师培训） |