A skeptic is one who practices skepticism.

Skeptic or Sceptic may also refer to:

• The Skeptics, a New Zealand post-punk band from 1979 to 1990
• The Skeptic (album), by Tilian, 2018
• "Skeptic" (song), by Slipknot, 2014
• The Skeptic (film), a 2009 film

• The Skeptic (Australian magazine), of the Australian Skeptics
• The Skeptic (British magazine), founded in 1987
• Skeptic (American magazine), of The Skeptics Society, first published 1992

• Skeptic Society, a Russian-speaking skeptical society
• The Skeptics Society, a US-based international organization devoted to promoting scientific skepticism

• Skeptical Inquirer, US magazine, first published in 1976
• Denialism, a person's choice to deny reality, as a way to avoid a psychologically uncomfortable truth