| SIK | Subsistence-In-Kind | 实物生活 |
| SIK | Sturdy Iron Key (Asheron's Call game) | 坚固的铁键(Asheron游戏) |
| SIK | Seriously Insane Killas | 严重疯狂杀人 |
| SIK | Skeletal Inverse Kinematics | 骨骼反向运动学 |
| SIK | Sanity In Killing | 杀人的理智 |
| SIK | Sikeston, Missouri USA | 美国密苏里州西克斯顿 |
| SIK | Sicherungskopie Backup file | Sicherungskopie备份文件 |
| SIK | Soroptimist International of Kona | 科纳职业妇女福利互助会国际 |
| SIK | Sähköinsinöörikilta (Finnish: Guild of Electrical Engineering) | Sähköinsinöörikilta (Finnish: Guild of Electrical Engineering) |
| SIK | Sit-in Kayak | 坐独木舟 |