SING
| Acronym | Definition |
|---|---|
| SING | Solar-Plexus Instep Nose Groin |
| SING | Social Information Networking Group |
| SING | Stomach Instep Nose Groin (self-defense) |
| SING | Servants in the Name of God (Christian group) |
| SING | Sexuality Issues Network Group |
| SING | Spark Ignition Natural Gas |