Found 3 full forms for HHYC
| Term | Full Form | Category |
|---|---|---|
| HHYC | Hebe Haven Yacht Club (Hong Kong) 
| Others |
| HHYC | Henderson Harbor Yacht Club (Henderson Harbor, NY)
| Others |
| HHYC | Huntington Harbour Yacht Club (Huntington Beach, CA)
| Others |