| Acronym | Definition |
|---|
| SIK➣Stuck in Kansas |
| SIK➣Someone I Know (chat slang) |
| SIK➣Sähköinsinöörikilta (Finnish: Guild of Electrical Engineering) |
| SIK➣Subsistence-In-Kind |
| SIK➣Senter for Interkulturell Kommunikasjon (Norwegian: Center for Intercultural Communication) |
| SIK➣Sit-in Kayak |
| SIK➣Sulinermik Inuussutissarsiuteqartut Kattuffiat (Kalaallisut: Greenland Workers Union) |
| SIK➣Sturdy Iron Key (Asheron's Call game) |
| SIK➣Sporting International Karaté-Club (France) |
| SIK➣Self-Installation Kit (cable) |