I comuni della Valle d'Aosta sono i comuni italiani presenti nella regione Valle d'Aosta. Sono 74 e sono così suddivisi (dal Bilancio demografico e popolazione residente per sesso al 31 dicembre 2024):

Lista Comune PopolazioneSuperficie (km²)Densità (ab./km²)Altitudine (m s.l.m.) Allein 7,96 25,75 1190 Antey-Saint-André 11,8146,821074 Aosta 21,39 1549,13583 Arnad 28,8442,58361 Arvier 33,36 24,67776 Avise 52,62 5,76775 Ayas 129,4210,581 698 Aymavilles 53,2439,42640 Bard 3,0333,66400 Bionaz 142,091,531 606 Brissogne 25,5138,10839 Brusson 55,2614,891 338 Challand-Saint-Anselme 27,9926,541 030 Challand-Saint-Victor 25,00 22,4744 Chambave 21,5441,22480 Chamois 14,537,701 818 Champdepraz 48,79 14,63 523 Champorcher 68,435,38 1 427 Charvensod 25,8692,30746 Châtillon 39,68108,57549 Cogne 213,046,221 544 Courmayeur 209,61 12,081 224 Donnas 33,9770,36322 Doues 16,25 31,571 176 Émarèse 10,2322,781 170 Étroubles 39,5712,001 270 Fénis 68,12 26,31541 Fontainemore 31,7113,97760 Gaby 32,1712,591 047 Gignod 25,9865,05988 Gressan 25,3131,86626 Gressoney-La-Trinité 66,524,841635 Gressoney-Saint-Jean 69,6511,031385 Hône 12,6491,46364 Introd 20,0431,49880 Issime 35,3810,63956 Issogne 23,6154,21387 Jovençan 7,00102,00632 La Magdeleine 8,9411,741644 La Salle 83,9424,251000 La Thuile 125,676,181450 Lillianes 18,5522,59667 Montjovet 18,7692,91406 Morgex 43,6347,03923 Nus 57,3651,22529 Ollomont 53,483,181335 Oyace 30,566,581377 Perloz 23,2719,34661 Pollein 15,3394,65551 Pontboset 33,565,24780 Pontey 15,7549,33525 Pont-Saint-Martin 6,92507,95350 Pré-Saint-Didier 33,428,711004 Quart 62,0567,25535 Rhêmes-Notre-Dame 86,840,871725 Rhêmes-Saint-Georges 36,344,621218 Roisan 14,6468,92866 Saint-Christophe 17,74192,50619 Saint-Denis 11,3932,13820 Saint-Marcel 42,3830,79625 Saint-Nicolas 15,4621,151200 Saint-Oyen 9,4220,281373 Saint-Pierre 26,18124,06731 Saint-Rhémy-en-Bosses 64,885,181632 Saint-Vincent 20,57215,85575 Sarre 28,28168,81631 Torgnon 42,4613,311489 Valgrisenche 113,481,661664 Valpelline 31,4518,85964 Valsavarenche 138,211,091541 Valtournenche 116,1519,091524 Verrayes 22,3656,171000 Verrès 8,36304,9391 Villeneuve 8,8148,18670

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Valle d'Aosta