KAUD may refer to:

• Kommunistische Arbeiter-Union Deutschlands
• KAUD (FM), a radio station in Mexico, Missouri

• NC 66
• NC 692
• NC 694
• NC700
• NC 700
• NC700D
• NC700S
• NC700SA
• NC700X
• NC700XA
• NC.702 Martinet
• NC 704
• NC 708
• NC 731
• NC 74
• NC750
• NC750D
• NC750D Integra
• NC750 Integra
• NC750S
• NC750X
• NC 752
• NC 761
• NC 77
• NC 770