UDF

• All You Need Is Kill
• UDF 2457
• UDF 423
• Ulster Defence Force
• Ultra Deep Field
• Unducted fan
• Union Defence Force (South Africa)
• Union Defence Force (UAE)
• Union of Democratic Forces (disambiguation)
• Union pour la Démocratie Française
• Uniqueness Database File
• United Dairy Farmers
• United Democratic Forces
• United Democratic Forces of Belarus
• United Democratic Forum Party
• United Democratic Front (Botswana)
• United Democratic Front (Kerala)
• United Democratic Front (Malawi)
• United Democratic Front (Mizoram)
• United Democratic Front (Namibia)
• United Democratic Front (Pakistan)
• United Democratic Front (South Africa)
• United Democratic Front (South Sudan)
• Universal Disk Format
• User-defined function