LFA may refer to one of the following:
- Lake Forest Academy, a college prep school in Lake Forest, Illinois, USA
- Laser Flash Analysis, a technique for measurement of thermal diffusivity
- Leinster Football Association
- Lexus LFA, a two-seat sports car
- Liberia Football Association
- Little Flower Academy, a private Catholic girls school in Vancouver, British Columbia, Canada
- Link Field Address, a construct of the Forth programming language
- Local franchise authority
- Logical framework approach
- Lolland-Falster Alliancen
- London Football Association
- Loving Female Authority
- Low-Functioning Autism
- Lupus Foundation of America
- Lymphocyte function-associated antigen (disambiguation), e.g. LFA-1, 2, and 3 (lymphocyte function-associated molecules 1,2, and 3) are cell adhesion molecules
- Lowe Fleming Agency