| Acronym | Sense | Language | Topics |
|---|---|---|---|
| SIP | Session Initiation Protocol | In English | → Networks, communication → Telecommunications |
| SIP | Società Idroelettrica Piemontese | In Italian | → Energy economics → Electrical engineering |
| SIP | Software Input Panel | In English | → Software |
| SIP | Scientific Instrument Package | In English | |
| SIP | Separation Instrumentation Package | In English | |
| SIP | Standard Interface Panel | In English | → Human-computer interaction |
| SIP | Standard Interface Plan | In English | → Human-computer interaction |
| SIP | Strain Isolation Pad | In English | → Astronautics |
| SIP | Strategic Information Plan | In English | → Knowledge management |
| SIP | System Interface Processing | In English | |
| SIP | Supplementary Ideographic Plane | In English | → Data → Writing systems |