Z4 Blue
- Full Name: Z4 "Ziff" Blue
- Born: Nasat
- Species: Nasat
- Gender: Male
- c.2360: Forest quadrant governor, Nasat (SCE Short Story: "Balance of Nature"; Novel: Articles of the Federation)
- Forest quadrant governor by "forty seasons" before early 2380 per Articles of the Federation
- By January 2380: Deputy chief of staff, United Federation of Planets (Novel: Articles of the Federation)