| 3 Bad Men | 3 Bataljon Parachutisten | 3 Beads of Sweat |
| 3 Beat Music | 3 Blind Mice | 3 blind mice |
| 3 bodas de más | 3 Card Poker | 3 cœurs |
| 3 center 2 electron | 3 center 2 elektron | 3 coeurs |
| 3 Count Bout | 3 Days of Peace & Music | 3 Days to Kill |
| 3 december | 3 December | 3 Doors Down |
| 3 Doors Down (album) | 3 Doors Down(Album) | 3 Ezra |
| 3 februari | 3 Februari | 3 FM |
| 3 Fonteinen | 3 formulieren van enigheid | 3 from Hell |
| 3 Geezers! | 3 Godfathers | 3 Gold Coins |
| 3 Guys 1 Hammer | 3 Henry VI | 3 Idiots |
| 3 in jazz | 3 Inches of Blood | 3 Inches Of Blood |
| 3 Jacksons | 3 januari | 3 Januari |
| 3 Johannes | 3 juli | 3 Juli |
| 3 Jumps Ahead | 3 juni | 3 Juni |
| 3 Juno | 3 Korinte | 3 Korinthe |
| 3 Korinthiërs | 3 Korintiërs | 3 maart |
| 3 Maart | 3 Makkabeeën | 3 Makkabeeen |
| 3 mei | 3 Mei | 3 Men and a Baby |
| 3 mensen tussen muren | 3 Musketeers | 3 Musketiers |
| 3 Musketiers (musical) | 3 Musketiers - de musical | 3 Nations Cup |
| 3 Needles | 3 Nights | 3 november |
| 3 November | 3 October Vereeniging Leiden | 3 oktober |
| 3 Oktober | 3 oktoberfeest | 3 op Reis |
| 3 op reis | 3 op Reis Midweek | 3 pionnengambiet |
| 3 ringensysteem | 3 romances | 3 Romances |
| 3 Romanze | 3 Romanzen | 3 Schténg |
| 3 Schteng | 3 september | 3 September |
| 3 Steps Ahead | 3 Strikes | 3 Tage in Quiberon |
| 3 Türken und ein Baby | 3 uur van Daytona 1962 | 3 uur van Daytona 1963 |
| 3 v. Chr. | 3 v.Chr. | 3 Vallées Express |
| 3 Valleys | 3 van Breda | 3 voor 12 |
| 3 Women | 3 Words | 3 World Trade Center |
| 3% | 3' UTR | 3+2 |
| 3,14159265... | 3,3'-dichloorbenzidine | 3,3-dimethyl-1-buteen |
| 3,3-dimethyl-2-butanol | 3,3-dimethylbutan-1-ol | 3,3-dimethylbutan-2-ol |
| 3,3-dimethylbutanal | 3,3-dimethylbutyraldehyde | 3,4,5-trimethoxyamfetamine |
| 3,4,5-Trimethoxyamfetamine | 3,4,9,10-peryleentetracarbonzuurdianhydride | 3,4-diaminopyridine |
| 3,4-dichlooraniline | 3,4-dichloornitrobenzeen | 3,4-dihydroxykaneelzuur |
| 3,4-dinitrotolueen | 3,4-ethyleendioxythiofeen | 3,4-methyleendioxyamfetamine |
| 3,4-methyleendioxymethamfetamine | 3,4-methylenedioxyamphetamine | 3,5,5,-trimethylcyclohex-2-enon |
| 3,5,5-trimethyl-1-hexanol | 3,5,5-trimethylhexaan-1-ol | 3,5,5-trimethylhexaanzuur |
| 3,5,5-trimethylhexanol | 3,5-dichloorfenol | 3,6-acridinediamine |
| 3,7 cm KwK 36 | 3-1 | 3-2-1 Regel |
| 3-2-1 regel | 3-2-1-regel | 3-akkoorden |
| 3-akkoorden techniek | 3-aminobenzeensulfonzuur | 3-aminofenol |
| 3-broomthiofeen | 3-buteennitril | 3-careen |
| 3-center-2-elektronbinding | 3-center-4-elektronbinding | 3-centra-2-elektronbinding |
| 3-centra-4-elektronbinding | 3-chloor-1,2-propaandiol | 3-chlooraniline |
| 3-chloorbenzaldehyde | 3-chloorbenzoëzuur | 3-chloorfenol |
| 3-chloormethcathinon | 3-Chloormethcathinon | 3-chloorperoxybenzoëzuur |
| 3-chloorperoxybenzoezuur | 3-chloorpropaan-1,2-diol | 3-chloorpropeen |
| 3-chloorpropyn | 3-CMC | 3-D |
| 3-D Bowling | 3-D film | 3-D Tic-Tac-Toe |
| 3-Demon | 3-heptanon | 3-hexanol |
| 3-hexyn | 3-hydroxy-3-methylbutaanzuur | 3-hydroxybutaanzuur |
| 3-Hydroxybutaanzuur | 3-hydroxybutanal | 3-hydroxypyridine |
| 3-MCPD | 3-mercapto-1,2-propaandiol | 3-mercapto-3-methyl-1-butanol |
| 3-mercapto-3-methylbutaan-1-ol | 3-mercapto-3-methylbutan-1-ol | 3-mercaptopropaan-1,2-diol |
| 3-methyl-1-butanol | 3-methyl-1-butylacetaat | 3-methyl-2-butanon |
| 3-methyl-2-buteen-1-thiol | 3-methyl-5-fenylpentanol | 3-methylbutaan-1-ol |
| 3-methylbutaanzuur | 3-methylbutan-1-ol | 3-methylbutanal |
| 3-methylcyclohexanol | 3-methylhexaan | 3-methylideencyclopropeen |
| 3-methylmethcathinon | 3-Methylmethcathinon | 3-methylpentaan |
| 3-methylpentan-1-ol | 3-methylpentan-2-ol | 3-methylpentan-3-ol |
| 3-methylpyridine | 3-methylthiopropanal | 3-Minute Warning |
| 3-MMC | 3-nitroaniline | 3-nitrotolueen |
| 3-oktoberfeest | 3-oxetanon | 3-oxobutaanzuur |
| 3-Pentanol | 3-pentanol | 3-pentanon |
| 3-Pentanon | 3-picoline | 3-pionnengambiet |
| 3-ponder | 3-propanolide | 3-propylideenftalide |
| 3-ringensysteem | 3-sfeer | 3-slagstelsel |
| 3-sulfoleen | 3-transpositiegroep | 3-variëteit |
| 3-varieteit | 3-vinyltolueen | 3. Bundesliga |
| 3. deild karla | 3. Division | 3. division |
| 3. divisjon | 3. HNL | 3. Hrvatska Nogometna Liga |
| 3. Hrvatska Nogometna Liga (1991-2022) | 3. lig | 3. Lig |
| 3. Liga | 3. Liga (2009/2010) | 3. Liga (Zwitserland) |
| 3. Liga 2008/09 | 3. Liga 2009/10 | 3. Liga 2010/11 |
| 3. Liga 2011/12 | 3. Liga 2012/13 | 3. Liga 2013/14 |
| 3. Liga 2014/15 | 3. Liga 2015/16 | 3. Liga 2016/17 |
| 3. Liga 2017/18 | 3. Liga 2018/19 | 3. Liga 2019/20 |
| 3. Limfjordsforbindelse | 3. Marineflakregiment | 3. slovenska nogometna liga |
| 3. Slovenska Nogometna Liga | 3. slovenská futbalová liga | 3. SNL |
| 3. SS-Panzer-Division Totenkopf | 3. Unterseebootsflottille | 3.000 m (atletiek) |
| 3.000 m steeplechase | 3.14 | 3.5 mm jack |
| 3.5G | 3.7 cm KwK 36 | 3.75G |
| 3/2 weg ventiel | 30 | 30 (Adele) |
| 30 (getal) | 30 april | 30 April |
| 30 augustus | 30 Augustus | 30 Days of Night |
| 30 days of night | 30 december | 30 December |
| 30 Doradus | 30 februari | 30 hits in een box |
| 30 Hits in een Box | 30 Ilir | 30 Jaar Fritz de Hitz! |
| 30 jaar onderweg | 30 januari | 30 Januari |
| 30 jarige oorlog | 30 juli | 30 Juli |
| 30 June Stadium | 30 juni | 30 Juni |
| 30 Juni Stadion | 30 kilometer langlaufen | 30 kilometerzone |
| 30 km langlaufen | 30 km-zone | 30 km/h-zone |
| 30 km/u-zone | 30 km/zone | 30 maart |
| 30 Maart | 30 mei | 30 Mei |
