| HSLC | Headache Specific Locus of Control 
| Others |
| HSLC | Health Sciences Leadership Council
| Others |
| HSLC | Health Sciences Leaning Center
| Others |
| HSLC | Health Sciences Learning Center
| Others |
| HSLC | Health Sciences Learning Center (University of Wisconsin)
| Others |
| HSLC | Health Sciences Libraries Consortium
| Others |
| HSLC | Higdon Student Leadership Center
| Others |
| HSLC | High School Leadership Conference
| Others |
| HSLC | High School Learning Center
| Others |
| HSLC | High School Leaving Certificate
| Others |
| HSLC | High Shear Low CAPE
| Others |
| HSLC | Historic Society of Lancashire and Cheshire
| Others |
| HSLC | Holifield Science Learning Center
| Others |
| HSLC | Holy Spirit Lutheran Church
| Others |
| HSLC | Hoosier Southern Lacrosse Conference
| Others |
| HSLC | Hospitality Student Leadership Council
| Others |
| HSLC | Hosting Solutions and Library Consulting
| Others |
| HSLC | Human Services Leadership Council
| Others |
| HSLC | Human Services Learning Center
| Others |
| HSLC | Humane Society of Levy County
| Others |
| HSLC | Humane Society of Livingston County
| Others |
| HSLC | Humane Society of Logan County
| Others |