| Acronym | Definition |
|---|
| MHLS➣Mid-Hudson Library System (Hudson Valley of New York State) |
| MHLS➣Mental Hygiene Legal Service |
| MHLS➣Maritime Homeland Security (US) |
| MHLS➣More Haste Less Speed |
| MHLS➣Modular Horizontal Launching System |
| MHLS➣Military History Lecture Series (Northern Kentucky University; Highland Heights, KY) |