Koiwagawa Station (小岩川駅, Koiwagawa eki?) is a JR East railway station located in Tsuruoka, Yamagata Prefecture, Japan.
Niitsu - Kyōgase - Suibara - Kamiyama - Tsukioka - Nakaura - Shibata - Kaji - Kanazuka - Nakajō - Hirakida - Sakamachi - Hirabayashi - Iwafunemachi - Murakami - Majima - Echigo-Hayakawa - Kuwagawa - Imagawa - Echigo-Kangawa - Gatsugi - Fuya - Nezugaseki - Koiwagawa - Atsumi Onsen - Iragawa - Kobato - Sanze - Uzen-Mizusawa - Uzen-Ōyama - Tsuruoka - Fujishima - Nishibukuro - Amarume - Kita-Amarume - Sagoshi - Higashi-Sakata - Sakata - Mototate - Minamichōkai - Yuza - Fukura - Mega - Kosagawa - Kamihama - Kisakata - Konoura - Nikaho - Nishime - Ugo-Honjō - Ugo-Iwaya - Oriwatari - Ugo-Kameda - Iwaki-Minato - Michikawa - Shimohama - Katsurane - Araya - Ugo-Ushijima - Akita