Reality Check may refer to:

• Reality Check (comics), an English language manga series
• Reality Check (program), an anti-tobacco movement led by teenagers and operated by the New York State Department of Health
• Reality check, a technique used in lucid dreaming to determine whether one is actually dreaming
• Reality Check, the signature move of wrestler The Miz
• Reality Check, daily comic strip since 1995 by Dave Whamond
• Reality Check (film), a 2002 horror film by Rafal Zielinski

• Reality Check (American TV series), a 1995 syndicated television series
• Reality Check (2013 TV series), a Hong Kong television drama produced by TVB
• Reality Check (Australian TV series), a 2014 Australian television panel discussion program
• "Reality Check", a recurring segment on the sketch comedy show Mad TV
• "Reality Check", a 2023 Philippine television program

• Reality Check (Jassi Sidhu album), a 2003 album by Punjabi singer, Jassi Sidhu
• Reality Check (Juvenile album), a 2006 album by rapper Juvenile
• Reality Check (Seagram album), a 1995 album by rapper Seagram
• Reality Check (The Teenagers album), a 2008 album by The Teenagers
• Reality Check (band), a Christian music band
• "Reality Check", a song by Binary Star from Masters of the Universe
• "Reality Check", a song by Man Overboard from Heavy Love
• "Reality Cheque", a song by Status Quo from Quid Pro Quo

• Reality Check (novel), a 2009 novel by Peter Abrahams
• "Reality Check", a science fiction short story by David Brin
• "Reality Check", a science fiction short story by Michael A. Burstein

• Reality Checkpoint
• "And the Reality Check", an episode of 2 Broke Girls