3 (višeznačna odrednica)

3 se može odnositi na:

• 3 n.e. - godina po kalendaru nove ere.
• 3 p.n.e. - godina po kalendaru Prije nove ere.
• 3 (broj) - prvi neparan prirodan broj

Muzika

• 3 (rock grupa iz 1980ih), rock grupa: Keith Emerson, Robert Berry i Carl Palmer
• 3 (rock grupa iz 1990ih), ekperimentalna progresivna rock grupa iz grada Woodstocka, (New York)
• "3" (pjesma), (2009) pjesma Britney Spears
• "3" pjesma grupe Disturbed, sa njihov albuma pod nazivom The Lost Children iz 2011.
• BK3 ili 3 or Three (Tri)
• #3, pseudonim američkog muzičara Chris Fehn dok je svirao sa heavy metal grupom Slipknot

Albumi

• Three (The Black Heart Procession, album)
• III (Chad Brock, album)
• 3 (The Butchies, album)
• 3 (Calogero, album)
• Chicago III (album), grupa Chicago (1971.)
• III (Download, album)
• Three (End of Everything, album)
• 3 (FireHouse, album)
• Focus III, grupa Focus (1972.)
• 3 (Ich Troje, album)
• 3 (Indochine, album)
• Three (The John Butler Trio, album)
• Led Zeppelin III, grupa Led Zeppelin, (1970.)
• III (Maylene and the Sons of Disaster, album)
• III (Moistboyz, album)
• III (Stanton Moore, album)
• III (Joe Nichols, album)
• Three (Nine Days, album)
• 3 (Nouvelle Vague, album)
• 3 (The Atomic Bitchwax, album)
• Three (Ph.D., album)
• Three (Joel Plaskett, album)
• 3 (Pole album)
• Santana (1971 album) (Santana (grupa), treċi album)
• Sebadoh III
• 3 (Shakespears Sister, album)
• III (Shiny Toy Guns, album)
• 3 (Soulfly, album)
• 3 (Suburban Kids with Biblical Names, album)
• Three (Sugababes, album)
• 3 (Tibeta Ubik, album)
• Three (Tubeless Hearts, album)
• Three (U2 EP), EP grupe U2
• Van Halen III
• 3 (Violent Femmes, album)
• 3 (Final, album)
• Three (Armageddon, album), album grupe Armageddon
• Three, album, APB
• 3 (Bo Bice, album)

Film

• Tri (1965 film), jugoslavenski film režisera Aleksandra Petrovića
• Three (1969 film), film u kojem igraju Charlotte Rampling i Sam Waterston
• 3(1971 film), norveški film, Nicole Macé
• Three (2002 film), azijski horor film
• Three... Extremes, 2004 film
• Survival Island (film) ili Three, (2006) film u kojem glume Billy Zane i Kelly Brook
• Thr3e (film iz 2006.), film snimljen po romanu
• Three – Love, Lies and Betrayal, "Tri - ljubav, laž i izdaja"(2009) film u kojem glume Aashish Chaudhary, Nausheen Ali Sardar & Akshay Kapoor
• Tri (2010 film), njemački film
• 3 (2012 film), Tamilski film u kojem igraju Dhanush i Amala Paul

Televizija

• Three (TV serija), (1998) Američka TV serija
• 3 (Dosjei X), epizoda serije The X-Files
• 3: The Dale Earnhardt Story, (2004) televizijski film o Dale Earnhardt

Ostalo

• 3 (New York City Subway service), servis podzemne željeznice grad New Yorka
• Tri (Enneagram), tip ličnosti po "Enneagramu Karaktera"
• Thr3e, (2003) roman sa tematikom neizvjesnosti, autor: Ted Dekker
• Hutchison 3G ili 3, grupa UMTS-mreža u Evropi, Australiji i Azijiand Asia
• Mazda 3, kompaktni automobil