38th parallel may refer to:

• 38th parallel north, a circle of latitude in the Northern Hemisphere
  • This line of latitude was used as the pre-Korean War boundary between North Korea and South Korea; see Division of Korea
  • The term may also refer to the current border between the Koreas, the Korean Demilitarized Zone
• 38th parallel south, a circle of latitude in the Southern Hemisphere
• 38th parallel structures, a series of circular depressions roughly on the 38th parallel north
• 38th Parallel (band), a short-lived Christian rap-rock band that formed in 2000
• "The 38th Parallel", a song by Phinehas from the 2017 album Dark Flag

This disambiguation page lists articles associated with the title 38th parallel.
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