| 6M | 6m | 6M (disambiguation) |
| 6m band | 6M symbol | 6mA |
| 6MAC | 6MAM | 6MER |
| 6MI | 6MIX | 6MJ |
| 6MLMC | 6mm | 6mm AR |
| 6mm AR Turbo 40 | 6mm ARC | 6mm Bench Rest |
| 6mm BR | 6mm BR Remington | 6mm caliber |
| 6mm Creedmoor | 6mm Dasher | 6mm FatRat |
| 6mm Flobert | 6mm Grendel | 6mm Grinch |
| 6mm Lee Navy | 6mm Musgrave | 6mm Norma BR |
| 6mm PPC | 6mm Rat | 6mm Remington |
| 6mm SAW | 6mm scale | 6mm TCU |
| 6mm Turbo 40 | 6mm xc | 6mm XC |
| 6mm/223 | 6mmAR | 6mmAR Turbo |
| 6MMM | 6MN | 6months |
| 6moty | 6MOY | 6moy |
| 6MP | 6mR | 6Music |
| 6music | 6MWE | 6N |
| 6n | 6N (disambiguation) | 6N-OFC |
| 6n-OFC | 6N14P | 6N1P |
| 6N24P | 6N2P | 6n2p |
| 6N3P | 6N5 | 6N5 (tube) |
| 6NAM | 6NAN | 6ne Maili |
| 6News Lawrence | 6NF | 6NK |
| 6NM | 6NME | 6NOTES |
| 6Notes | 6NOW | 6NR |
| 6ns | 6ntr | 6NW |
| 6O | 6o | 6O (disambiguation) |
| 6over4 | 6P | 6p |
| 6P (disambiguation) | 6P programme | 6P/d'Arrest |
| 6P13 | 6P14P | 6P1P |
| 6P26 | 6P2C | 6P33 |
| 6P4C | 6P62 | 6P6C |
| 6P6S | 6pack | 6PAN |
| 6park | 6park.com | 6PB |
| 6pc Hot | 6PC Hot | 6pc Hot EP |
| 6pdr | 6PER | 6PGD |
| 6PH | 6plus hold'em | 6PM |
| 6pm | 6PM in New York | 6PM with George Negus |
| 6pm.com | 6PN | 6PNN |
| 6PP | 6PPD | 6PPD-quinone |
| 6PPM | 6PPM-FM | 6PR |
| 6PR Stadium | 6PU | 6PUL |
| 6Q | 6q | 6Q (disambiguation) |
| 6Q0B44E | 6Q6 | 6R |
| 6r | 6R (disambiguation) | 6R10DB9 |
| 6R3 | 6R80 | 6RAR |
| 6RAT | 6RD | 6rd |
| 6RED | 6RN | 6rounds |
| 6row | 6RPH | 6RTR |
| 6RTR (disambiguation) | 6RTR (FM) | 6S |
| 6s | 6s (cricket) | 6S (disambiguation) |
| 6S (methodology) | 6S (music) | 6S (radiative transfer code) |
| 6S / SsrS RNA | 6S RNA | 6S2 |
| 6S4 | 6s8 | 6s8 (disambiguation) |
| 6SAT | 6SBSFM | 6SEA |
| 6SK1 | 6SN7 | 6SON |
| 6step | 6T | 6t |
| 6T (disambiguation) | 6T 5504 | 6T RAM cell |
| 6T SRAM | 6T SRAM cell | 6T-5504 |
| 6T5 | 6T5 (tube) | 6T5504 |
| 6TCR | 6teen | 6Teen |
| 6TEEN | 6teen (season 1) | 6teen (season 2) |
| 6teen (season 3) | 6teen (season 4) | 6teen Characters |
| 6teen episode 43 - Lights Out | 6teen Episodes | 6teen season 1 |
| 6teen season 2 | 6teen season 3 | 6teen season 4 |
| 6teen Stone | 6ter | 6th |
| 6th & I | 6th & I Historic Synagogue | 6th & Idaho |
| 6th & Idaho Productions | 6th & Main Station | 6th & Main station (Cincinnati) |
| 6th (1st Manchester) Lancashire Rifle Volunteer Corps | 6th (1st Warwickshire) Regiment of Foot | 6th (3rd Northern) Lanarkshire Artillery Volunteer Corps |
| 6th (Aberdeen) Aberdeenshire Artillery Volunteer Corps | 6th (Bangor) Carnarvonshire Rifle Volunteer Corps | 6th (Beverley) Yorkshire (East Riding) Rifle Volunteer Corps |
| 6th (Bradford) Yorkshire West Riding Rifle Volunteer Corps | 6th (Brandenburg) Cuirassiers "Emperor Nicholas I of Russia" | 6th (Brandenburg) Cuirassiers “Emperor Nicholas I of Russia” |
| 6th (Bridlington) Yorkshire (East Riding) Artillery Volunteers | 6th (Burntisland) Fife Artillery Volunteer Corps | 6th (Burslem) Staffordshire Rifle Volunteer Corps |
| 6th (Caergwrle) Flintshire Rifle Volunteer Corps | 6th (Caernarvonshire and Anglesey) Battalion, Royal Welch Fusiliers | 6th (Campbeltown) Argyllshire Artillery Volunteer Corps |
| 6th (Cheshire and Shropshire) Medium Brigade, Royal Garrison Artillery | 6th (City of London) Battalion, London Regiment | 6th (County Tyrone) Battalion, Ulster Defence Regiment |
| 6th (Cyclist) Battalion, Queen's Own (Royal West Kent Regiment) | 6th (Cyclist) Battalion, Royal Sussex Regiment | 6th (Dartmouth) Devonshire Artillery Volunteer Corps |
| 6th (Deal and Walmer) Cinque Ports Rifle Volunteer Corps | 6th (Dundee) Forfarshire Artillery Volunteer Corps | 6th (Extra Reserve) Battalion, King's Royal Rifle Corps |
| 6th (Extra Reserve) Battalion, Middlesex Regiment | 6th (Extra Reserve) Battalion, Worcestershire Regiment | 6th (Glamorgan) Battalion, Welch Regiment |
| 6th (Glamorgan) Battalion, Welsh Regiment | 6th (Grimsby Rifles) Lincolnshire Rifle Volunteer Corps | 6th (Gurkha) Parachute Brigade |
| 6th (Heckmondwike) Yorkshire (West Riding) Artillery Volunteer Corps | 6th (High Peak Rifles of Buxton) Derbyshire Rifle Volunteer Corps | 6th (Holm) Orkney Artillery Volunteer Corps |
| 6th (Iniskilling) Dragoons | 6th (Inniskilling) Dragoons | 6th (Inniskilling) Regiment of Dragoons |
| 6th (Kent) Army Brigade, RFA | 6th (Kent) Army Brigade, Royal Field Artillery | 6th (London) Corps Signals |
| 6th (Loughborough) Leicestershire Rifle Volunteer Corps | 6th (Lucknow) Infantry Brigade | 6th (Manawatu) Mounted Rifles |
| 6th (North East London) Tower Hamlets Rifle Volunteer Corps | 6th (Par Harbour) Cornwall Artillery Volunteer Corps | 6th (Peterborough) Northamptonshire Rifle Volunteer Corps |
| 6th (Petworth) Sussex Rifle Volunteer Corps | 6th (Poona) Cavalry Brigade | 6th (Poona) Division |
| 6th (Reserve) Battalion, Royal Fusiliers | 6th (Rifle) Battalion, King's (Liverpool Regiment) | 6th (Royal 1st Warwickshire) Regiment of Foot |
| 6th (Royal East Middlesex Militia) Battalion, Middlesex Regiment | 6th (Royal First Warwickshire) Regiment of Foot | 6th (Royal Flint Militia) Battalion, King's Royal Rifle Corps |
| 6th (Royal Welch) Parachute Battalion | 6th (Royal Welsh) Parachute Battalion | 6th (Ruthin) Denbighshire Rifle Volunteer Corps |
| 6th (Sandown) Isle of Wight Rifle Volunteer Corps | 6th (Scottish) Provisional Battalion (Territorial Force) | 6th (Service) Battalion, Leicestershire Regiment |
| 6th (Staffordshire) Company, Imperial Yeomanry | 6th (Stroud) Gloucestershire Rifle Volunteer Corps | 6th (Swanage) Dorsetshire Artillery Volunteer Corps |
| 6th (Talgarth) Brecknockshire Rifle Volunteer Corps | 6th (The Huddersfield) Yorkshire West Riding Rifle Volunteer Corps | 6th (Thrumster) Caithness Artillery Volunteer Corps |
| 6th (UK) Division | 6th (United Kingdom) Division | 6th (Volunteer) Battalion, Royal Anglian Regiment |
| 6th (Welch) Parachute Battalion | 6th (West Calder) Linlithgowshire Rifle Volunteer Corps | 6th (Windsor Iron Works) Lancashire Artillery Volunteer Corps |
| 6th (Worcestershire Militia) Battalion, Worcestershire Regiment | 6th AACTA Awards | 6th AACTA International Awards |
| 6th AARP Movies for Grownups Awards | 6th Abia State House of Assembly | 6th Academy Awards |
| 6th Academy Awards nominees and winners | 6th Academy of Country and Western Music Awards | 6th ACTRA Awards |
| 6th Administrative Battalion of Lancashire Rifle Volunteer Corps | 6th Administrative Council | 6th Administrative Council of North Korea |
| 6th Aero Squadron | 6th Aeroplane Squadron, RFC | 6th AFA |
| 6th Africa Magic Viewers' Choice Awards | 6th Africa Movie Academy Awards | 6th Africa Scout Jamboree |
| 6th Africa Scout Jamboree 2012 | 6th African Movie Academy Awards | 6th Air and Air Defence Forces Army |
