| STCA | Safe Third Country Agreement 
| Others |
| STCA | Scottish Terrier Club of America
| Others |
| STCA | Secondary Teachers Collective Agreement
| Others |
| STCA | Secondary Teachers' Collective Agreement
| Others |
| STCA | Security Technologies for Collaborative Architectures
| Others |
| STCA | Seneca Trail Christian Academy
| Others |
| STCA | Short Term Conflict Alert
| Others |
| STCA | Short term conflict alerts
| Others |
| STCA | Silky Terrier Club of America
| Others |
| STCA | Simplified Traveling Cluster Approxn
| Others |
| STCA | Skye Terrier Club of America
| Others |
| STCA | Small Town Conservative America
| Others |
| STCA | South Tennessee Counseling Association
| Others |
| STCA | South Texas Christian Academy
| Others |
| STCA | South Texas Conjunto Association
| Others |
| STCA | South Texas Conjunto Association's
| Others |
| STCA | South Texas Counseling Association
| Others |
| STCA | Southern Tasmanian Councils Authority
| Others |
| STCA | St Therese Catholic Academy
| Others |
| STCA | Staffordshire Terrier Club of America
| Others |
| STCA | State Tech Council Alliance
| Others |
| STCA | State Toxics Control Account
| Others |
| STCA | Student Third Cabin Association
| Others |
| STCA | Subject to Council Approval
| Others |