KAIZ may refer to:

• KAIZ (FM), a radio station (105.5 FM) licensed to Avondale, Arizona, United States
• Lee C. Fine Memorial Airport (ICAO code KAIZ)

• Morbus Chron
• Morbus forestier
• Morbus Forestier
• Morbus Kitahara
• Morbus Pick
• Morbus pick
• Morbus waldenstrom
• Morbus Waldenstrom
• Morbus Waldenström
• Morbus waldenström
• Morbus Wilson
• Morbus wilson
• Morbus wilson's
• Morbus Wilson's
• Morceau de réception
• Morcenx-la-Nouvelle
• Morc family cw-type zinc finger 1
• Morcha (1980 film)
• Morchal
• Morchella arbutiphila
• Morchella bispora
• Morchella bohemica
• Morchella castaneae
• Morchella cryptica
• Morchella disparilis