Zi

Zi or ZI may refer to:

• Zi (album), a 2016 album by Negură Bunget
• Zi (Zoids), a fictional planet in the Zoids franchise

• Zi (cuneiform), a sign
• Chinese characters, known as zi (字)
• Thracian word derived from *Dyēus

• Zi (surname) (子), a surname used by Shang kings
• Zi (title) (子), a Chinese honorific used for ancient viscounts and for master philosophers
• Zi (name) (字), an alternate term for East Asian courtesy names

• Zi Corporation, a Canadian software company
• Zi (prefix symbol), for digital data size
• Zona incerta, a brain region
• Aigle Azur French airline (1946–1955; IATA:ZI)