LFB may refer to:
London Fire Brigade, the fire and rescue service for London L. Frank Baum, author of The Wizard of Oz Lachlan Fold Belt, a geological feature in Australia Laissez Faire Books, a bookseller in New York Lausanne–Fribourg–Bern Railway, a Swiss railway company Leaf-Footed Bugs, a large group of insects from the family Coreidae Liga Femenina de Baloncesto, the Spanish women's basketball league Ligue féminine de basket, French women's basketball league Lillesand–Flaksvand Line, a railway line in Norway Louisiana Farm Bureau Federation Luxembourg for Business, trade promotion body of the Luxembourg government Luxol fast blue stain, a stain used in biology Line Fill Buffer, part of a CPU Cache for assembling a cache line after a cache miss Lycée Français de Bakou, a French international school in Baku, Azerbaijan Lycée Français de Bali, a French international school in Bali, Indonesia Lycée Français de Barcelone or the Liceo Francés de Barcelona, a French international school in Barcelona, Spain French Lycée in Brussels (Lycée Français Jean Monnet de Bruxelles), a French school in Belgium Gustave Eiffel French School of Budapest (Lycée Français de Budapest), a French international school in Budapest, Hungary