| 3Mix | 3n+1 | 3n+1 Vermutung |
| 3nach9 | 3NF | 3NOP |
| 3O | 3OH!3 | 3oh!3 |
| 3p | 3P | 3P-Syndrom |
| 3p3nipa | 3P3NIPA | 3phase |
| 3PL | 3plus | 3Pluss |
| 3Plusss | 3Pol | 3PTY |
| 3Q | 3Q15 | 3R12 |
| 3raum-Anatomietheater | 3RD | 3rd (UK) Division |
| 3rd (UK) Mechanised Division | 3rd (United Kingdom) Division | 3rd AACTA Awards |
| 3rd AACTA International Awards | 3rd Academy Awards | 3rd Annual Grammy Awards |
| 3rd Armored Cavalry Regiment | 3rd Armored Division | 3rd Armored Division (Vereinigte Staaten) |
| 3rd Armoured Division (Vereinigtes Königreich) | 3rd Ave. El | 3rd Avenue (Manhattan) |
| 3rd Bass | 3rd Cavalry Regiment | 3rd Division |
| 3rd Division (Singapur) | 3rd Division (Vereinigtes Königreich) | 3rd FAI Women's European Hot Air Balloon Championship |
| 3rd FAI Women's World Hot Air Balloon Championship | 3rd FAI Women’s European Hot Air Balloon Championship | 3rd FAI Women’s World Hot Air Balloon Championship |
| 3rd Foot Guards | 3rd Generation Nation | 3rd Generation Partnership Project |
| 3rd Generation Partnership Project 2 | 3rd Golden Globe Awards | 3rd Infantry Division |
| 3rd Infantry Division (U.S.) | 3rd Infantry Division (Vereinigte Staaten) | 3rd Infantry Regiment |
| 3rd Level Domain | 3rd Maine Volunteer Infantry Regiment | 3rd Marine Division |
| 3rd Marine Expeditionary Force | 3rd Mechanised Division (GB) | 3rd Mechanised Division (Vereinigtes Königreich) |
| 3rd Open de Lagord 2023 | 3rd Primetime Emmy Awards | 3rd Rock from the Sun |
| 3rd Screen Actors Guild Awards | 3rd Stream | 3rd Wish |
| 3rd-Level Support | 3rd-Level-Domain | 3rdEyeGirl |
| 3rdMarDiv | 3rei Sud Est | 3S |
| 3s | 3S GTE | 3S Industries |
| 3S-Bahn | 3S-GTE | 3S-Zentrale |
| 3sat | 3Sat | 3SAT |
| 3sat HD | 3sat musik | 3sat-Dokumentarfilmpreis |
| 3sat-Ländermagazin | 3sat-Preis | 3sat-Zuschauerpreis |
| 3sat.de | 3sat.Kulturtube | 3satbörse |
| 3satBörse | 3satText | 3Seenbahn |
| 3SI | 3Soft | 3Steps |
| 3steps | 3T | 3T Cycling |
| 3TC | 3ttt | 3typen |
| 3U | 3U Holding | 3U Telecom |
| 3V | 3V (Unternehmen) | 3W |
| 3W Power Holdings | 3ware | 3WK |
| 3X | 3x + 1 problem | 3x3 Augen |
| 3x3-Basketball | 3XN | 3Xtrim |
| 3Xtrim Flugzeug-Fabrik | 3Xtrim-Flugzeug-Fabrik | 3Y-M |
| 3YE | 3yg | 3Z |
| 3z | 4 | 4 (Begriffsklärung) |
| 4 (Beyoncé-Album) | 4 (Beyoncé-Knowles-Album) | 4 (Foreigner-Album) |
| 4 3 2 1 | 4 Amiguinhos | 4 Arm |
| 4 ATAF | 4 ½ Freunde | 4 × 100-m-Staffel |
| 4 × 400-m-Staffel | 4 Bar | 4 Blocks |
| 4 Canadian Mechanized Brigade Group | 4 Chord Song | 4 Chords Song |
| 4 Clairmont Gardens | 4 Clubbers | 4 clubbers |
| 4 CMBG | 4 Copas | 4 Cross |
| 4 CV Rédélé Spezial | 4 D Sports Driving | 4 D's |
| 4 dólares de venganza | 4 de Abril do Cuando Cubango | 4 de Abril FC |
| 4 de Abril Futebol Clube do Cuando Cubango | 4 de Abril Kuando Kubango | 4 de Diciembre (El Carmen) |
| 4 de Julho EC | 4 de Setembro | 4 de Setembro (Comoro) |
| 4 de Setembro (Santa Cruz) | 4 Devils | 4 Dinos in New York |
| 4 dollari di vendetta | 4 Edle Wahrheiten | 4 Esra |
| 4 Eylül Belediyespor | 4 Fäuste für ein Halleluja | 4 für Sie |
| 4 für Texas | 4 for Texas | 4 Frauen und ein Todesfall |
| 4 Fun | 4 geben alles! | 4 gegen Willi |
| 4 gegen Z | 4 gegen Z/Episodenliste | 4 gewinnt |
| 4 gewinnt (Album) | 4 Girls in Town | 4 Grundfreiheiten |
| 4 GTP | 4 Halleluja für Dynamit Joe | 4 himmlische Freunde |
| 4 Hochzeiten und eine Traumreise | 4 Idiots | 4 Jahreszeiten |
| 4 Jours de Dunkerque | 4 Könige | 4 Kings |
| 4 Kontinente Meisterschaft | 4 Lions | 4 Little Girls |
| 4 luni, 3 săptămâni și 2 zile | 4 Makk | 4 Mächte im 3/4-Takt |
| 4 Minute | 4 Minuten | 4 Minutes |
| 4 mm scale | 4 Monate, 3 Wochen und 2 Tage | 4 Monate, 3 Wochen, 2 Tage |
| 4 Mos | 4 mosche di velluto grigio | 4 Nations Cup |
| 4 Nations Cup (Austragungen) | 4 Nations Cup 2000 | 4 Nations Cup 2001 |
| 4 Nations Cup 2002 | 4 Nations Cup 2003 | 4 Nations Cup 2004 |
| 4 Nations Cup 2005 | 4 Nations Cup 2006 | 4 Nations Cup 2007 |
| 4 Nations Cup 2008 | 4 Nations Cup 2009 | 4 Nations Cup 2010 |
| 4 Nations Cup 2011 | 4 Nations Cup 2012 | 4 Nations Cup 2013 |
| 4 Nations Cup 2014 | 4 Nations Cup 2015 | 4 Nations Cup 2016 |
| 4 Nations Cup 2017 | 4 Nations Cup 2018 | 4 Nations Tournament |
| 4 Nelson Mandela Place | 4 New Sensations | 4 Non Blondes |
| 4 Pfoten retten Weihnachten | 4 Players | 4 Plus |
| 4 Plus TV | 4 Prager Artikel | 4 Promille |
| 4 PS | 4 Quelltöpfe "Kocherlöcher" | 4 Real |
| 4 Reeves | 4 Rooms | 4 Schlüssel |
| 4 Seasons | 4 Singles | 4 Star |
| 4 Star Records | 4 Strings | 4 stroke |
| 4 Tage bis zur Ewigkeit | 4 Tage im Mai | 4 Tage von Dünkirchen |
| 4 Taste | 4 the Cause | 4 The Cause |
| 4 Times Baroque | 4 to the bar | 4 United |
| 4 Ursae Majoris | 4 Ursae Majoris b | 4 v. Chr. |
| 4 Vallées | 4 vallées | 4 VD 14,5/12-1 |
| 4 VD 14,5/12-1 SRW | 4 Voice | 4 Way Street |
| 4 World Trade Center | 4 WTC | 4 Yüz |
| 4 Your Soul | 4 zu mir! | 4%-Hürde |
| 4' 33'' | 4'-Hydroxynorendoxifen | 4'33 |
| 4'33" | 4'33'' | 4'8½" |
| 4(10)-Thujen | 4*Town | 4+ |
| 4+0-Verkehrsführung | 4+1 Sichten | 4+1 Sichtenmodell |
| 4,2-cm-leichte PaK 41 | 4,2-ka-BP-Ereignis | 4,2-Kilojahr-Ereignis |
| 4,25 mm Liliput | 4,4'-Bipyridin | 4,4'-Diacetamidodiphenylether |
| 4,4'-Diaminodiphenylether | 4,4'-Diaminodiphenylmethan | 4,4'-Diaminostilben-2,2'-disulfonsäure |
| 4,4'-Difluorbenzophenon | 4,4'-Dihydroxydiphenylsulfon | 4,4'-Diphenylmethandiisocyanat |
| 4,4'-Isobutylethylidendiphenol | 4,4'-Isopropylidenbis(2,6-dibromphenol) | 4,4'-Isopropylidendiphenol |
