Kogin Aare kogi ne a kasar Switzerland wanda ke ratsa tsakiyar kasar. Babban rafi ne na kogin Rhine kuma yana da kusan kilomita 288 (mil 179). Sunan "Aare" ya samo asali ne daga tsohuwar kalmar Jamusanci "ār," wanda ke nufin "ruwa" ko "kogi." Kogin Aare yana da kimar al'adu da nishaɗi kuma an san shi da tsattsauran ra'ayi, ruwan turquoise, wanda ya sa ya zama sanannen wurin yin iyo, kwale-kwale, da sauran abubuwan da suka shafi ruwa.