ISO 3166-1
Rhestr o Wledydd ISO 3166-1
| Rhestr o Wledydd | Alpha-2 | Alpha-3 | Rhifol | ISO 3166-2 |
| Affganistan | AF | AFG | 4 | ISO 3166-2:AF |
| Angola | AO | AGO | 24 | ISO 3166-2:AO |
| Anguilla | AI | AIA | 660 | ISO 3166-2:AI |
| Yr Aifft | EG | EGY | 818 | ISO 3166-2:EG |
| Albania | AL | ALB | 8 | ISO 3166-2:AL |
| Algeria | DZ | DZA | 12 | ISO 3166-2:DZ |
| Yr Almaen | DE | DEU | 276 | ISO 3166-2:DE |
| Andorra | AD | AND | 20 | ISO 3166-2:AD |
| Yr Antarctig | AQ | ATA | 10 | ISO 3166-2:AQ |
| Antigwa a Barbiwda | AG | ATG | 28 | ISO 3166-2:AG |
| Antilles yr Iseldiroedd | AN | ANT | 530 | ISO 3166-2:AN |
| Arfordir Ifori | CI | CIV | 384 | ISO 3166-2:CI |
| Ariannin | AR | ARG | 32 | ISO 3166-2:AR |
| Armenia | AM | ARM | 51 | ISO 3166-2:AM |
| Arwba | AW | ABW | 533 | ISO 3166-2:AW |
| Aserbaijan | AZ | AZE | 31 | ISO 3166-2:AZ |
| Awstria | AT | AUT | 40 | ISO 3166-2:AT |
| Awstralia | AU | AUS | 36 | ISO 3166-2:AU |
| Bangladesh | BD | BGD | 50 | ISO 3166-2:BD |
| Bahamas | BS | BHS | 44 | ISO 3166-2:BS |
| Bahrein | BH | BHR | 48 | ISO 3166-2:BH |
| Barbados | BB | BRB | 52 | ISO 3166-2:BB |
| Belarws | BY | BLR | 112 | ISO 3166-2:BY |
| Belîs | BZ | BLZ | 84 | ISO 3166-2:BZ |
| Benin | BJ | BEN | 204 | ISO 3166-2:BJ |
| Bermiwda | BM | BMU | 60 | ISO 3166-2:BM |
| Bhwtan | BT | BTN | 64 | ISO 3166-2:BT |
| Bolifia | BO | BOL | 68 | ISO 3166-2:BO |
| Bosnia-Hertsegofina | BA | BIH | 70 | ISO 3166-2:BA |
| Botswana | BW | BWA | 72 | ISO 3166-2:BW |
| Brasil | BR | BRA | 76 | ISO 3166-2:BR |
| Brwnei | BN | BRN | 96 | ISO 3166-2:BN |
| Bwlgaria | BG | BGR | 100 | ISO 3166-2:BG |
| Bwrcina Ffaso | BF | BFA | 854 | ISO 3166-2:BF |
| Bwrwndi | BI | BDI | 108 | ISO 3166-2:BI |
| Cabo Verde | CV | CPV | 132 | ISO 3166-2:CV |
| Caledonia Newydd | NC | NCL | 540 | ISO 3166-2:NC |
| Cambodia | KH | KHM | 116 | ISO 3166-2:KH |
| Camerŵn | CM | CMR | 120 | ISO 3166-2:CM |
| Canada | CA | CAN | 124 | ISO 3166-2:CA |
| Casachstan | KZ | KAZ | 398 | ISO 3166-2:KZ |
| Cenia | KE | KEN | 404 | ISO 3166-2:KE |
| Cirgistan | KG | KGZ | 417 | ISO 3166-2:KG |
| Ciribati | KI | KIR | 296 | ISO 3166-2:KI |
| Ciwba | CU | CUB | 192 | ISO 3166-2:CU |
| Congo | CG | COG | 178 | ISO 3166-2:CG |
| Colombia | CO | COL | 170 | ISO 3166-2:CO |
| Comoros | KM | COM | 174 | ISO 3166-2:KM |
| Cosofo | KO | KOS | 780 | ISO 3166-2:KO |
| Costa Rica | CR | CRI | 188 | ISO 3166-2:CR |
| Coweit | KW | KWT | 414 | ISO 3166-2:KW |
| Croatia | HR | HRV | 191 | ISO 3166-2:HR |
| Cyprus | CY | CYP | 196 | ISO 3166-2:CY |
| De Affrica | ZA | ZAF | 710 | ISO 3166-2:ZA |
| De Corea | KR | KOR | 410 | ISO 3166-2:KR |
| De Georgia ac Ynysoedd Sandwich y De | GS | SGS | 239 | ISO 3166-2:GS |
| De Swdan | SS | SSD | 728 | ISO 3166-2:SS |
| Denmarc | DK | DNK | 208 | ISO 3166-2:DK |
| Dominica | DM | DMA | 212 | ISO 3166-2:DM |
| Dwyrain Timor | TL | TLS | 626 | ISO 3166-2:TL |
| Ecwador | EC | ECU | 218 | ISO 3166-2:EC |
| Yr Eidal | IT | ITA | 380 | ISO 3166-2:IT |
| Emiradau Arabaidd Unedig | AE | ARE | 784 | ISO 3166-2:AE |
| Eritrea | ER | ERI | 232 | ISO 3166-2:ER |
| Estonia | EE | EST | 233 | ISO 3166-2:EE |
| Eswatini | SZ | SWZ | 748 | ISO 3166-2:SZ |
| Ethiopia | ET | ETH | 231 | ISO 3166-2:ET |
| Fanwatw | VU | VUT | 548 | ISO 3166-2:VU |
| Fietnam | VN | VNM | 704 | ISO 3166-2:VN |
| Fatican | VA | VAT | 336 | ISO 3166-2:VA |
| Feneswela | VE | VEN | 862 | ISO 3166-2:VE |
| Ffindir | FI | FIN | 246 | ISO 3166-2:FI |
| Ffiji | FJ | FJI | 242 | ISO 3166-2:FJ |
| Ffrainc | FR | FRA | 250 | ISO 3166-2:FR |
| Gabon | GA | GAB | 266 | ISO 3166-2:GA |
| Gaiana | GY | GUY | 328 | ISO 3166-2:GY |
| Gambia | GM | GMB | 270 | ISO 3166-2:GM |
| Georgia | GE | GEO | 268 | ISO 3166-2:GE |
| Ghana | GH | GHA | 288 | ISO 3166-2:GH |
| Gibraltar | GI | GIB | 292 | ISO 3166-2:GI |
| Gini | GN | GIN | 324 | ISO 3166-2:GN |
| Gini Bisaw | GW | GNB | 624 | ISO 3166-2:GW |
| Gini Gyhydeddol | GQ | GNQ | 226 | ISO 3166-2:GQ |
| Gogledd Corea | KP | PRK | 408 | ISO 3166-2:KP |
| Gorllewin Sahara | EH | ESH | 732 | ISO 3166-2:EH |
| Grenada | GD | GRD | 308 | ISO 3166-2:GD |
| Guiana Ffrengig | GF | GUF | 254 | ISO 3166-2:GF |
| Gwadelwp | GP | GLP | 312 | ISO 3166-2:GP |
| Gwam | GU | GUM | 316 | ISO 3166-2:GU |
| Gwatemala | GT | GTM | 320 | ISO 3166-2:GT |
| Gweriniaeth Canolbarth Affrica | CF | CAF | 140 | ISO 3166-2:CF |
| Gweriniaeth Dominica | DO | DOM | 214 | ISO 3166-2:DO |
| Gweriniaeth Tsiec | CZ | CZE | 203 | ISO 3166-2:CZ |
| Gwlad Belg | BE | BEL | 56 | ISO 3166-2:BE |
| Gwlad Groeg | GR | GRC | 300 | ISO 3166-2:GR |
| Gwlad Iorddonen | JO | JOR | 400 | ISO 3166-2:JO |
| Gwlad Pwyl | PL | POL | 616 | ISO 3166-2:PL |
| Gwlad Tai | TH | THA | 764 | ISO 3166-2:TH |
| Gwlad yr Ia | IS | ISL | 352 | ISO 3166-2:IS |
| Haiti | HT | HTI | 332 | ISO 3166-2:HT |
| Hondwras | HN | HND | 340 | ISO 3166-2:HN |
| Hong Cong | HK | HKG | 344 | ISO 3166-2:HK |
| Hwngari | HU | HUN | 348 | ISO 3166-2:HU |
| Iemen | YE | YEM | 887 | ISO 3166-2:YE |
| India | IN | IND | 356 | ISO 3166-2:IN |
| Indonesia | ID | IDN | 360 | ISO 3166-2:ID |
| Irac | IQ | IRQ | 368 | ISO 3166-2:IQ |
| Iran | IR | IRN | 364 | ISO 3166-2:IR |
| Yr Iseldiroedd | NL | NLD | 528 | ISO 3166-2:NL |
| Israel | IL | ISR | 376 | ISO 3166-2:IL |
| Iwerddon | IE | IRL | 372 | ISO 3166-2:IE |
| Jamaica | JM | JAM | 388 | ISO 3166-2:JM |
| Japan | JP | JPN | 392 | ISO 3166-2:JP |
| Jersey | JE | JEY | 832 | ISO 3166-2:JE |
| Jibwti | DJ | DJI | 262 | ISO 3166-2:DJ |
| Laos | LA | LAO | 418 | ISO 3166-2:LA |
| Latfia | LV | LVA | 428 | ISO 3166-2:LV |
| Lesotho | LS | LSO | 426 | ISO 3166-2:LS |
| Libanus | LB | LBN | 422 | ISO 3166-2:LB |
| Liberia | LR | LBR | 430 | ISO 3166-2:LR |
| Libia | LY | LBY | 434 | ISO 3166-2:LY |
| Liechtenstein | LI | LIE | 438 | ISO 3166-2:LI |
| Lithwania | LT | LTU | 440 | ISO 3166-2:LT |
| Lwcsembwrg | LU | LUX | 442 | ISO 3166-2:LU |
| Macao | MO | MAC | 446 | ISO 3166-2:MO |
| Macedonia | MK | MKD | 807 | ISO 3166-2:MK |
| Madagasgar | MG | MDG | 450 | ISO 3166-2:MG |
| Malawi | MW | MWI | 454 | ISO 3166-2:MW |
| Maldives | MV | MDV | 462 | ISO 3166-2:MV |
| Maleisia | MY | MYS | 458 | ISO 3166-2:MY |
| Mali | ML | MLI | 466 | ISO 3166-2:ML |
| Malta | MT | MLT | 470 | ISO 3166-2:MT |
| Martinique | MQ | MTQ | 474 | ISO 3166-2:MQ |
| Mawrisiws | MU | MUS | 480 | ISO 3166-2:MU |
| Mawritania | MR | MRT | 478 | ISO 3166-2:MR |
| Mayotte | YT | MYT | 175 | ISO 3166-2:YT |
| Mecsico | MX | MEX | 484 | ISO 3166-2:MX |
| Micronesia | FM | FSM | 583 | ISO 3166-2:FM |
| Moldofa | MD | MDA | 498 | ISO 3166-2:MD |
| Monaco | MC | MCO | 492 | ISO 3166-2:MC |
| Mongolia | MN | MNG | 496 | ISO 3166-2:MN |
| Montenegro | ME | MNE | 499 | ISO 3166-2:ME |
| Montserrat | MS | MSR | 500 | ISO 3166-2:MS |
| Moroco | MA | MAR | 504 | ISO 3166-2:MA |
| Mosambic | MZ | MOZ | 508 | ISO 3166-2:MZ |
| Myanmar | MM | MMR | 104 | ISO 3166-2:MM |
| Namibia | NA | NAM | 516 | ISO 3166-2:NA |
| Nawrw | NR | NRU | 520 | ISO 3166-2:NR |
| Nepal | NP | NPL | 524 | ISO 3166-2:NP |
| Nicaragwa | NI | NIC | 558 | ISO 3166-2:NI |
| Niger | NE | NER | 562 | ISO 3166-2:NE |
| Nigeria | NG | NGA | 566 | ISO 3166-2:NG |
| Niue | NU | NIU | 570 | ISO 3166-2:NU |
| Norwy | NO | NOR | 578 | ISO 3166-2:NO |
| Oman | OM | OMN | 512 | ISO 3166-2:OM |
| Pacistan | PK | PAK | 586 | ISO 3166-2:PK |
| Palaw | PW | PLW | 585 | ISO 3166-2:PW |
| Panama | PA | PAN | 591 | ISO 3166-2:PA |
| Papua Gini Newydd | PG | PNG | 598 | ISO 3166-2:PG |
| Paragwâi | PY | PRY | 600 | ISO 3166-2:PY |
| Periw | PE | PER | 604 | ISO 3166-2:PE |
| Polynesia Ffrengig | PF | PYF | 258 | ISO 3166-2:PF |
| Portiwgal | PT | PRT | 620 | ISO 3166-2:PT |
| Prydain Fawr | GB | GBR | 826 | ISO 3166-2:GB |
| Puerto Rico | PR | PRI | 630 | ISO 3166-2:PR |
| Philippines | PH | PHL | 608 | ISO 3166-2:PH |
| Qatar | QA | QAT | 634 | ISO 3166-2:QA |
| Réunion | RE | REU | 638 | ISO 3166-2:RE |
| Rwanda | RW | RWA | 646 | ISO 3166-2:RW |
| Rwmania | RO | ROU | 642 | ISO 3166-2:RO |
| Rwsia | RU | RUS | 643 | ISO 3166-2:RU |
| Saint Helena | SH | SHN | 654 | ISO 3166-2:SH |
| Saint Pierre a Miquelon | PM | SPM | 666 | ISO 3166-2:PM |
| Salvador | SV | SLV | 222 | ISO 3166-2:SV |
| Sambia | ZM | ZMB | 894 | ISO 3166-2:ZM |
| Samoa | WS | WSM | 882 | ISO 3166-2:WS |
| Samoa America | AS | ASM | 16 | ISO 3166-2:AS |
| San Marino | SM | SMR | 674 | ISO 3166-2:SM |
| Sant Kitts-Nevis | KN | KNA | 659 | ISO 3166-2:KN |
| Sant Lwsia | LC | LCA | 662 | ISO 3166-2:LC |
| Sant Vincent a'r Grenadines | VC | VCT | 670 | ISO 3166-2:VC |
| São Tomé a Príncipe | ST | STP | 678 | ISO 3166-2:ST |
| Sawdi Arabia | SA | SAU | 682 | ISO 3166-2:SA |
| Sbaen | ES | ESP | 724 | ISO 3166-2:ES |
| Seland Newydd | NZ | NZL | 554 | ISO 3166-2:NZ |
| Senegal | SN | SEN | 686 | ISO 3166-2:SN |
| Serbia | RS | SRB | 688 | ISO 3166-2:RS |
| Seychelles | SC | SYC | 690 | ISO 3166-2:SC |
| Sierra Leone | SL | SLE | 694 | ISO 3166-2:SL |
| Simbabwe | ZW | ZWE | 716 | ISO 3166-2:ZW |
| Singapôr | SG | SGP | 702 | ISO 3166-2:SG |
| Slofacia | SK | SVK | 703 | ISO 3166-2:SK |
| Slofenia | SI | SVN | 705 | ISO 3166-2:SI |
| Somalia | SO | SOM | 706 | ISO 3166-2:SO |
| Sri Lanca | LK | LKA | 144 | ISO 3166-2:LK |
| Svalbard | SJ | SJM | 744 | ISO 3166-2:SJ |
| Swdan | SD | SDN | 736 | ISO 3166-2:SD |
| Sweden | SE | SWE | 752 | ISO 3166-2:SE |
| Y Swistir | CH | CHE | 756 | ISO 3166-2:CH |
| Swrinam | SR | SUR | 740 | ISO 3166-2:SR |
| Syria | SY | SYR | 760 | ISO 3166-2:SY |
| Taiwan | TW | TWN | 158 | ISO 3166-2:TW |
| Tajicistan | TJ | TJK | 762 | ISO 3166-2:TJ |
| Tansanïa | TZ | TZA | 834 | ISO 3166-2:TZ |
| Tibet | TB | TIB | 673 | ISO 3166-2:TB |
| Tiriogaeth Brydeinig Cefnfor India | IO | IOT | 86 | ISO 3166-2:IO |
| Tiriogethau Deheuol ac Antarctig Ffrainc | TF | ATF | 260 | ISO 3166-2:TF |
| Tiwnisia | TN | TUN | 788 | ISO 3166-2:TN |
| Tocelaw | TK | TKL | 772 | ISO 3166-2:TK |
| Togo | TG | TGO | 768 | ISO 3166-2:TG |
| Tonga | TO | TON | 776 | ISO 3166-2:TO |
| Trinidad a Tobago | TT | TTO | 780 | ISO 3166-2:TT |
| Tsiad | TD | TCD | 148 | ISO 3166-2:TD |
| Tsieina | CN | CHN | 156 | ISO 3166-2:CN |
| Tsile | CL | CHL | 152 | ISO 3166-2:CL |
| Twfalw | TV | TUV | 798 | ISO 3166-2:TV |
| Twrci | TR | TUR | 792 | ISO 3166-2:TR |
| Tyrcmenistan | TM | TKM | 795 | ISO 3166-2:TM |
| Unol Daleithiau America | US | USA | 840 | ISO 3166-2:US |
| Wallis a Futuna | WF | WLF | 876 | ISO 3166-2:WF |
| Wsbecistan | UZ | UZB | 860 | ISO 3166-2:UZ |
| Yr Wcráin | UA | UKR | 804 | ISO 3166-2:UA |
| Wganda | UG | UGA | 800 | ISO 3166-2:UG |
| Wrwgwái | UY | URY | 858 | ISO 3166-2:UY |
| Ynys Bouvet | BV | BVT | 74 | ISO 3166-2:BV |
| Yr Ynys Las | GL | GRL | 304 | ISO 3166-2:GL |
| Ynys Manaw | IM | IMN | 833 | ISO 3166-2:IM |
| Ynys Norfolk | NF | NFK | 574 | ISO 3166-2:NF |
| Ynys y Garn | GG | GGY | 831 | ISO 3166-2:GG |
| Ynys y Nadolig | CX | CXR | 162 | ISO 3166-2:CX |
| Ynysoedd Caiman | KY | CYM | 136 | ISO 3166-2:KY |
| Ynysoedd Cocos (Keeling) | CC | CCK | 166 | ISO 3166-2:CC |
| Ynysoedd Cook | CK | COK | 184 | ISO 3166-2:CK |
| Ynysoedd Gogledd Mariana | MP | MNP | 580 | ISO 3166-2:MP |
| Ynysoedd Mowrynol Prydain | VG | VGB | 92 | ISO 3166-2:VG |
| Ynysoedd Morwynol yr Unol Daleithiau | VI | VIR | 850 | ISO 3166-2:VI |
| Ynysoedd Faroe | FO | FRO | 234 | ISO 3166-2:FO |
| Ynysoedd Heard a McDonald | HM | HMD | 334 | ISO 3166-2:HM |
| Ynysoedd Marshall | MH | MHL | 584 | ISO 3166-2:MH |
| Ynysoedd Pellennig Bychain yr Unol Daleithiau | UM | UMI | 581 | ISO 3166-2:UM |
| Ynysoedd Pitcairn | PN | PCN | 612 | ISO 3166-2:PN |
| Ynysoedd Solomon | SB | SLB | 90 | ISO 3166-2:SB |
| Ynysoedd Turks a Caicos | TC | TCA | 796 | ISO 3166-2:TC |
| Ynysoedd y Falklands | FK | FLK | 238 | ISO 3166-2:FK |