YLF
| Acronym | Definition |
|---|---|
| YLF | Youth Leadership Forum |
| YLF | Youth Leadership Foundation (various locations) |
| YLF | Yttrium Lithium Fluoride |
| YLF | Your Loving Father |
| YLF | Yahoo Lending Facility (satire) |
| YLF | Russian Young Leadership Fellows for Public Service Program (aka Russian-US Young Leadership Fellows for Public Service; International Research & Exchanges Board; Washington, DC) |
| YLF | Youth Life Foundation (Washington, DC) |
| YLF | Your Loving Friend |