Paranoid refers to paranoia, a thought process that typically includes persecutory beliefs.

Paranoid may also refer to:

• Paranoid (band), a German EBM group 1987–1999
• Paranoid (album) or the title song (see below), by Black Sabbath, 1970

• "Paranoid" (Black Sabbath song), 1970
• "Paranoid" (Jonas Brothers song), 2009
• "Paranoid" (Kanye West song), 2009
• "Paranoid" (Post Malone song), 2018
• "Paranoid" (Ty Dolla Sign song), 2013
• "Paranoid", by Coi Leray from Trendsetter, 2022
• "Paranoid", by Dizzee Rascal from Maths + English, 2007
• "Paranoid", by Grand Funk Railroad from Grand Funk, 1969
• "Paranoid", by Lauv from I Met You When I Was 18 (The Playlist), 2018
• "Paranoid", by Psy'Aviah from Eclectric, 2010
• "Paranoid", by Spring King from A Better Life, 2018
• "Paranoid", by Ken Carson from A Great Chaos, 2023

• Paranoid (film), a 2000 thriller directed by John Duigan
• Paranoid (TV series), a 2016 British crime drama
• "Paranoid: A Chant", a 1985 poem by Stephen King

• All pages with titles beginning with Paranoid
• Paranoia (disambiguation)