FMO may refer to: Fenna-Matthews-Olson complex Fish Marketing Organisation, a statutory body of Hong Kong Flavin-containing monooxygenase Flexible macroblock ordering Fragment molecular orbital Francisco Morazán Department, a department in Honduras Frontier molecular orbital theory Münster Osnabrück Airport in North Rhine-Westphalia, Germany Netherlands Development Finance Company (Dutch: )
See also FOMO, or fear of missing out