PECO is a British manufacturer of model railway accessories.
Peco or PECO may also refer to: PECO Energy Company, formerly the Philadelphia Electric Company, now a subsidiary of Exelon Panay Electric Company (PECO), an electric power distribution company in the Philippines Asim Peco, linguist Pakistan Engineering Company (PECO), an engineering company in Pakistan Photoelectrochemical oxidation, a process by which incident light enables a semiconductor material to promote a catalytic oxidation reaction Peco (model), Japanese model, television personality, and singer See also Pecos (disambiguation) Pecco (disambiguation)