| SIHA | Sawtooth Interpretive and Historical Association 
| Others |
| SIHA | Sawtooth Interpretive Historical Association
| Others |
| SIHA | Scottish Ice Hockey Association
| Others |
| SIHA | Scottish Icelandic Horse Association
| Others |
| SIHA | Senior International Health Association
| Others |
| SIHA | Singapore Ice Hockey Association
| Others |
| SIHA | Sport International Hockey Academy
| Others |
| SIHA | Staten Island Hebrew Academy
| Others |
| SIHA | Subud International Health Association
| Others |
| SIHA | Swedish Ice Hockey Association
| Others |
| SIHA | Swiss Ice Hockey Association
| Others |
| SIHA | Systems' Institute of Hindu Astrology (New Delhi, India)
| Others |