| Acronym | Definition |
|---|
| SDK | Software Development Kit |
| SDK | Software Developer's Kit |
| SDK | Showa Denko (est. 1926; Japanese chemical company) |
| SDK | Sql Development Kit |
| SDK | Süddeutsche Krankenversicherung (health insurance company; Germany) |
| SDK | Starter Deck Kaiba (Yu-Gi-Oh cards) |
| SDK | Samurai Deeper Kyo (anime) |
| SDK | System Development Kit |
| SDK | Standard Development Kit |
| SDK | Single Digit Kyu (gaming) |
| SDK | Schutzgemeinschaft Der Kleinaktionäre (German: shareholder association) |
| SDK | Stompdown Killaz (graffiti crew) |
| SDK | Sandakan, Sabah, Malaysia (Airport Code) |
| SDK | System Design Kit |
| SDK | Sekt, Dip and Knowledge Web |
| SDK | Samahang Demokratiko Ng Kabataan (Philippines) |
| SDK | Skin Decontamination Kit |
| SDK | Sardaukar (Team Fortress 2 Clan) |
| SDK | Self-Development Kit |
| SDK | ShrinkIt Disk (compressed disk image file format/extension) |
| SDK | Skin Decontaminating Kit |
| SDK | Sluzba Drustvenog Knjigovodstva (Croatian, now Fina) |