KSZN could refer to:

• Santa Cruz Island Airport (ICAO code KSZN), an airport on Santa Cruz Island in Santa Barbara County, California, United States
• KSZN-LP, a low-power radio station (101.5 FM) licensed to serve Flagstaff, Arizona, United States
• KRYN, a radio station (1230 AM) licensed to serve Gresham, Oregon, United States, licensed as "KSZN" from 2007 to 2009
• KOOR, a radio station (1010 AM) licensed to serve Milwaukie, Oregon, United States, licensed as "KSZN" from 2006 to 2007
• KPDN (AM), a defunct radio station formerly licensed to serve Pampa, Texas, United States, licensed as "KSZN" from 1982 to 1988

• Pre-adapted
• Preadapted
• Pre-adipocytes
• Preadolescents
• Preaek Pnov District
• Preaek Pnov Section
• Pre-Aerosol, Clouds, and Ocean Ecosystem
• Pre-affrication
• Preah Khan Reach Svay Rieng F.C.
• Preah Sihanouk District
• Preakness Stables
• Preakness stakes
• Pre-Alpine
• Preamble to the Constitution of Pakistan
• Pre-anarchism
• Prea, Nicholas
• Preaortic lymph node
• Pre-approval access
• Pre-Archean
• Pre-arrest bail
• Pre Article 50 negotiations
• Pre-aspirated
• Pre-assessment
• Preatomagmatic eruption
• Preauricular deep parotid lymph node