KQBN may refer to:

• KQBN-LP, a defunct low-power television station (channel 41) formerly licensed to serve Midland, Texas, United States
• KQBN-LP (defunct), a defunct low-power television station (channel 28) formerly licensed to serve Prescott, Arizona, United States

• Cosgrove, Wisconsin
• Coshc function
• Cosheaf
• COSHEP
• Cosheston Group
• Coshish
• Coshmaing
• Coshocton County Career Center
• Coshocton County Council
• Coshocton, Ohio micropolitan area
• Coshocton, OH Micropolitan Statistical Area
• Cosh Omar
• Cosho Peak
• Cosh−1
• Cosh−1(x)
• Cosic
• Cosi e (se vi pare) (disambiguation)
• Cosi fan tutte (disambiguation)
• Cosi fan tutte (television series)
• Cosi fan tutte (TV series)
• Cosi Fan Tutti (Michael Dibdin novel)
• Co-Sign
• Co-Sign (song)
• CoSign (SWV song)
• Co-Sign (SWV song)