thumb|150px|Gemeenten per regio
IJsland kent slechts een decentrale bestuurslaag, de gemeente, 79 in totaal, verdeeld over 8 regio's zonder bestuurlijke functie. Dit is de Lijst van IJslandse gemeenten.
Alfabetisch
Op inwoneraantal thumb|150px|Verandering bevolkingsaantal tussen 1996 en 2006.
Positie(+/−) Naam Inwoners(1-12-2006) Veranderingsinds 1-12-2005 % Veranderingsinds 1-12-1996 % 1 () Reykjavik 116.446 +1.646 +1,43% +10.482 +9,89% 2 () Kópavogur 27.536 +1.068 +4,04% +8.986 +48,44% 3 () Hafnarfjörður 23.674 +1.223 +5,45% +5.739 +32% 4 () Akureyri 16.822 +86 +0,51% +1.553 +10,17% 5 () Reykjanesbær 11.928 +582 +5,13% +1.576 +15,22% 6 () Garðabær 9.529 +106 +1,12% +1.698 +21,68% 7 () Mosfellsbær 7.501 +344 +4,81% +2.525 +50,74% 8 () Árborg 7.280 +319 +4,58% +1.887 +34,99% 9 () Akranes 5.955 +173 +2,99% +881 +17,36% 10 () Fjarðabyggð 5.705 +861 +17,77% +1.308 +29,75% 11 ( 4) Fljótsdalshérað 4.644 +739 +18,92% +1.798 +63,18% 12 ( 1) Seltjarnarnes 4.467 +6 +0,13% −92 −2,02% 13 ( 1) Ísafjarðarbær 4.098 −11 −0,27% −421 −9,32% 14 ( 1) Skagafjörður 4.078 −32 −0,78% −353 −7,97% 15 ( 3) Vestmannaeyjar 4.075 −100 −2,40% −674 −14,19% 16 () Borgarbyggð 3.713 +88 +2,43% +401 +12,11% 17 () Norðurþing 3.023 −8 −0,26% −494 −14,05% 18 () Grindavík 2.697 +73 +2,78% +528 +24,34% 19 ( 2) Álftanes 2.287 +95 +4,35% +993 +77,28% 20 ( 1) Fjallabyggð 2.261 −37 −1,61% −575 −20,28% 21 ( 1) Hveragerði 2.189 +100 +4,79% +520 +31,16% 22 ( 2) Hornafjörður 2.186 −3 −0,14% −255 −10,45% 23 () Dalvíkurbyggð 1.966 +39 +2,02% −120 −10,45% 24 () Ölfus 1.854 +55 +3,06% +292 +18,69% 25 () Snæfellsbær 1.702 −41 −2,35% −66 −3,73% 26 () Rangárþing eystra 1.694 +22 +1,32% +8 +0,47% 27 () Sandgerði 1.663 +128 +8,34% +339 +25,60% 28 () Rangárþing ytra 1.526 +67 +4,59% +99 +6,94% 29 () Garður 1.486 +110 +7,99% +346 +30,35% 30 () Húnaþing vestra 1.163 −6 −0,51% −170 −12,72% 31 () Stykkishólmur 1.149 −16 −1,37% −126 −9,88% 32 () Vogar 1.106 +88 +8,64% +436 +65,07% 33 () Eyjafjarðarsveit 998 +20 +2,04% +64 +6,85% 34 () Grundarfjarðarbær 954 −20 −2,05% +10 +1,06% 35 () Vesturbyggð 937 −28 −2,90% −360 −27,76% 36 () Bláskógabyggð 921 0 0% +128 +16,14% 37 () Bolungarvík 905 −13 −1,42% −192 −17,50% 38 () Blönduós 892 −11 −1,22% −171 −16,09% 39 () Hrunamannahreppur 786 +19 +2,48% +119 +17,84% 40 () Seyðisfjörður 726 −5 −0,68% −105 −12,64% 41 () Vopnafjarðarhreppur 712 −13 −1,79% −160 −18,35% 42 ( 1) Þingeyjarsveit 699 +13 +1,90% −131 −15,78% 43 ( 1) Dalabyggð 682 −33 −4,62% −146 −17,63% 44 () Hvalfjarðarsveit 616 +13 +2,16% +62 +11,19% 45 ( 2) Flóahreppur 551 +25 +4,75% +26 +4,95% 46 ( 1) Höfðahreppur 534 −11 −2,02% −122 −18,60% 47 ( 1) Skeiða- og Gnúpverjahreppur 527 +6 +1,15% −30 −5,39% 48 ( 11) Fljótsdalshreppur 524 +169 +47,61% +415 +380,73% 49 ( 3) Langanesbyggð 518 −24 −4,43% −96 −15,64% 50 () Strandabyggð 507 +7 +1,4% −155 −23,41% 51 ( 2) Mýrdalshreppur 496 −7 −1,39% −41 −7,64% 52 ( 1) Skaftárhreppur 485 −5 −1,02% −116 −19,30% 53 ( 1) Húnavatnshreppur 463 −8 −1,7% −62 −11,81% 54 (1) Djúpavogshreppur 463 +5 +1,09% −95 −17,03% 55 () Hörgárbyggð 411 +12 +3,01% +28 +7,31% 56 ( 2) Skútustaðahreppur 410 −18 −4,21% −62 −13,14% 57 ( 1) Svalbarðsstrandarhreppur 381 −1 −0,26% +42 +12,39% 58 () Grímsnes- og Grafningshreppur 375 +19 +5,34% +56 +17,55% 59 ( 2) Grýtubakkahreppur 368 +2 +0,55% +3 +0,82% 60 () Tálknafjarðarhreppur 292 −5 −1,68% −39 −11,78% 61 () Aðaldælahreppur 257 +1 +0,39% −58 −18,41% 62 () Reykhólahreppur 251 −4 −1,57% −83 −24,85% 63 ( 1) Breiðdalshreppur 244 +12 +4,92% −62 −20,26% 64 ( 1) Súðavíkurhreppur 229 −6 −2,62% −71 −23,67% 65 () Akrahreppur 222 −3 −1,33% 0 0% 66 ( 2) Kjósarhreppur 181 +19 +11,73% +40 +28,37% 67 ( 1) Arnarneshreppur 176 +2 +1,15% −30 −14,56% 68 ( 1) Ásahreppur 158 −6 −3,66% +18 +12,86% 69 () Borgarfjarðarhreppur 146 0 0% −32 −17,98% 70 () Eyja- og Miklaholtshreppur 140 +3 +2,19% +3 +2,19% 71 ( 1) Svalbarðshreppur 106 −3 −2,75% −12 −10,17% 72 ( 1) Kaldrananeshreppur 101 −11 −9,82% −34 −25,19% 73 () Bæjarhreppur 100 −5 −4,76% −6 −5,66% 74 () Grímseyjarhreppur 99 −3 −2,94% −3 −2,94% 75 () Skagabyggð 96 −3 −3,03% +3 +3,23% 76 ( 1) Tjörneshreppur 60 −3 −4,76% −23 −27,71% 77 ( 1) Helgafellssveit 58 +3 +5,45% −10 −14,71% 78 ( 2) Skorradalshreppur 56 −8 −12,50% +9 +19,15% 79 () Árneshreppur 50 0 0% −34 −40,40% Totaal IJsland 307.261 +7857 +2,56% +37534 +13,92%
IJsland Gemeenten