C
- Candy (2006). Heroin and Cannabis.
- Candy Stripe Nurses (1974). Marijuana and amphetamines.
- Carlito's Way: Rise to Power (2005). Heroin.
- Cash Crop (2003). Cannabis.
- Cass (2008). Cannabis.
- Casino (1995). Cocaine, heroin and painkillers.
- Caveman (1981). Fictional hallucinogenic berries.
- Cecil B. Demented (2000). Heroin.
- Chappaqua (1966). Peyote and heroin.
- Charlie Bartlett (2008). Prescription pills.
- Cheech & Chong's various films feature drugs such as Cannabis, Cocaine, LSD, Peyote and various pills and Ajax (comedy). They include:
- Up in Smoke (1978).
- Cheech & Chong's Next Movie (1980).
- Nice Dreams (1981).
- Things Are Tough All Over (1982).
- Still Smokin' (1983).
- Cherry, Harry & Raquel! (1970). Cannabis.
- Cherrybomb (2009). Cannabis, cocaine and ecstasy.
- Chinatown Nights (1929). Opium.
- Chinese Opium Den (1894). Opium.
- Chopper (2000). Cocaine, Heroin (and possibly Amphetamines).
- Christiane F. – Wir Kinder vom Bahnhof Zoo (1981). Cannabis, Various pills such as Valium and Mandrax, LSD and Heroin.
- The City Addicted to Crystal Meth (2009). Crystal Meth (Methamphetamine).
- City by the Sea (2002). Crack.
- City Of God (2002). Cannabis, cocaine.
- Clean and Sober (1988). Cocaine.
- Clueless (1995). Cannabis, Cocaine.
- Clockers (1995). Crack Cocaine.
- A Clockwork Orange (1971). Several fictional drugs in the form of a milk cocktail called Moloko Plus. Varieties include Moloko Vellocet (either an opiate (percocet) or an amphetamine (velocity, speed)), Synthemesc (synthetic mescaline), and Drencrom (adrenochrome).
- Club Paradise (1986). Cannabis.
- Clubbed to Death (1996). MDMA.
- Cocaine: One Man's Seduction (1983). Cocaine.
- Cocaine Cowboys (2006). Cocaine and Cannabis.
- Cocaine Cowboys 2 (2008). Cocaine.
- Cocksucker Blues (unreleased).
- Code of Silence (1985) Cocaine.
- Colors (1988). Marijuana, crack cocaine and PCP.
- Conspiracy Theory (1997). LSD.
- Contact High (2009). Cocaine, Cannabis, MDMA, LSD, Amphetamine.
- Contraband (2012). Cocaine.
- Coogan's Bluff (1968). Marijuana and LSD
- Cookers (2001). Methamphetamine.
- The Cool and the Crazy (1958). Cannabis.
- Coonskin (1975). LSD, heroin.
- Cop Out (2010). Crack/Cocaine, Mescaline. (Referred to)
- Corridors of Blood (1958). Opium-based anaesthetic.
- Country Man (1982). Cannabis.
- Crank (2006). Fictional drug called Beijing Cocktail, cocaine, epinephrine, "Hardcore Haitian Plant Shit" (which probably refers to khat), methamphetamine, cannabis.
- Crooklyn (1994). Glue (Toluene).
- The Crow (1994). Morphine.
- Cruel Intentions (1999). Cocaine (memorably taken out of a rosary necklace)
Read more about this topic: List Of Drug Films