Posted in Business & Finance, Information Technology, Organizations, Science DSFI stands for Dual Stage Fuel Injection (motorcycles) DSFI stands for Danish Stream Fauna Index (Denmark) DSFI stands for Dual Sequential Fuel Injection (engine) DSFI stands for Derogatis Sexual Functioning Inventory (research questionnaire) DSFI stands for Dharma Samudera Fishing Industry (Indonesia) DSFI stands for Développement Service et Formation Internet (French: Internet Training and Development Service) DSFI stands for Doug Stewart Flight Instruction, Inc. (South Egremont, MA)