Stress may refer to:

• Stress (biology), an organism's response to a stressor such as an environmental condition
• Stress (mechanics), the internal forces that neighboring particles of a continuous material exert on each other
• Oxidative stress, an imbalance of free radicals
• Psychological stress, a feeling of strain and pressure
  • Occupational stress, stress related to one's job
• Surgical stress, systemic response to surgical injury

• Stress (Brazilian band), a Brazilian heavy metal band
• Stress (British band), a British rock band
• Stress (pop rock band), an early 1980s melodic rock band from San Diego
• Stress (musician) (born 1977), hip hop singer from Switzerland
• Stress (record producer) (born 1979), artistic name of Can Canatan, Swedish musician and record producer

• Stress (Anonymus album), 1997
• Stress (Daddy Freddy album), 1991
• Stress (Stress album), self-titled album by Brazilian band Stress
• Stress: The Extinction Agenda, 1994 album by Organized Konfusion

• "Stress" (Justice song), 2007 song by Justice
• "The Stress", a 1989 song by Chisato Moritaka
• "Stress", a song by Odd Børre, Norway's entry in the 1968 Eurovision Song Contest
• "Stress", a song by Godsmack from Godsmack
• "Stress", a 2000 song by Jim's Big Ego

• Stress (music), a type of emphasis placed on a particular note or set of notes

• Stress (journal), a medical journal
• "Stress" (The Unit), an episode of the television series The Unit

• Stress (font), varying stroke widths of a font
• Stress (linguistics), relative emphasis or prominence given to a syllable in a word, or to a word in a phrase or sentence

• All pages with titles containing Stress
• Emphasis (disambiguation)
• Stress cracking (disambiguation)
• Stress intensity (disambiguation)
• Stress tensor (disambiguation)
• Stress test (disambiguation)
• Tension (disambiguation)