David Z may refer to:

• David Z (music producer)
• David Zablidowsky or David Z, bass guitarist for ZO2
• David Z. or David Z. Norton, a sister ship of the Robert S. Pierson

• Dnyanraj Chougule
• Dnyeszterfehérvár
• Dny NATO
• Dnyprovsko-Orylsky Nature Reserve
• DNŠ Ajdovščina
• DO-14
• DO-15
• DO-16
• DO-214AA
• DO-214AB
• DO-214AC
• Do 22
• Do 23
• DO-29
• Do 29
• DO2dTUN
• Do 31
• Do 328
• DO-34
• DO-7
• Do'a
• D.O.A. (1950 film)
• Doa5lr
• DOA6
• Doaa el-Adl