| LECC | Ladue Early Childhood Center 
| Others |
| LECC | Lake Erie Country Club (Amherstburg, Ontario, Canada)
| Others |
| LECC | Lakewood Early Childhood Center
| Others |
| LECC | Landry Early Childhood Center
| Others |
| LECC | Law Enforcement Conduct Commission
| Others |
| LECC | Law Enforcement Coordinating Committee
| Others |
| LECC | Law Enforcement Coordination Center
| Others |
| LECC | Law Enforcement Coordination Committee
| Others |
| LECC | Law Enforcement Cyber Center
| Others |
| LECC | Layered Error Correction Code/Coding
| Others |
| LECC | Lewisburg Elks Country Club (Lewisburg, WV)
| Others |
| LECC | Linear Error Correcting Code (telecommunication)
| Others |
| LECC | Lisbon Early Childhood Center
| Others |
| LECC | Little Elm Competitive Cheerleading
| Others |
| LECC | Local Emergency Communication Committee
| Others |
| LECC | Loveland Early Childhood Center
| Others |