EFD may refer to:

• EFD (eFunds Corporation), an American payments service company
• EF Education First–Drapac p/b Cannondale, an American professional cycling team
• Electro-fluid-dynamics
• Electrofluidic display technology
• Ellington Field, an airport in Texas
• Enterprise flash drive
• Entertainment Film Distributors, a British distributor of independent films
• Europe of Freedom and Democracy, a political group in the European Parliament
• European Foundation for Democracy
• Federal Department of Finance (German: Eidgenössisches Finanzdepartement), of Switzerland
• Elite Football Women (Elitfotboll Dam)
• Enterprise function diagrams, in functional software architecture
• Executive Function Disorder, alternative nomenclature for ADD/ADHD