| Z | |
| Type: | studio |
| Artist: | Aion |
| Cover: | Z (Aion album).jpg |
| Released: | June 2, 1993 |
| Genre: | Power metal |
| Length: | 49:10 |
| Label: | BMG Victor |
| Producer: | Aion |
| Prev Title: | Aion -Aion- |
| Prev Year: | 1992 |
| Next Title: | Absolute |
| Next Year: | 1994 |
Z (Z [ZETTO]) is the fifth album released by the Japanese metal band Aion. Promotional videos were made for the songs "Truth" and "Ira Ira". There is also live footage of them performing the songs "So Many" and "Confession", recorded at the "Ariola Meeting 1993". This is the band's first release with new drummer Shu.