| SQUID | Safe Quick Undercarriage Immobilization Device 
| Others |
| SQUID | Shared Quest United In Dreams
| Others |
| SQUID | Stupidly Quick Underdressed and Imminently Dead
| Others |
| SQUID | Submersible Quiet Underwater Intelligent Driver
| Others |
| SQUID | Super Conducting Quantum Interference Device
| Others |
| SQUID | Super-conducting QUantum Interference Device
| Others |
| SQUID | Superconducting QUantum Interference Device
| Others |
| SQUID | Swimming Queers United In Denver
| Others |