This is a list of aquaria (public aquariums) in Japan. For zoos, see list of zoos in Japan. Also, For worlds, see List of aquaria.

Aquariums are facilities where animals are confined within tanks and displayed to the public, and in which they may also be bred. Such facilities include public aquariums, oceanariums, marine mammal parks, and dolphinariums.

Japan has the largest number of public aquariums per capita in the world.^[1] There are many small public aquariums in Japan and many are not on this list.

Some aquariums that are considered to be of high academic value are, have been designated as registered museums or museum-equivalent designated facilities by the Ministry of Education, Culture, Sports, Science and Technology.^[2]

In addition, large fish tanks are often installed at large commercial facilities, stations, and airport, Large commercial facilities such as Aeon mall, Lalaport, Don Quijote etc, all of which are open to the public for free.

• Hekinan Seaside Aquarium, Hekinan, Aichi
• Minamichita Beachland Aquarium, Mihama, Aichi
• Port of Nagoya Public Aquarium, Nagoya, Aichi
• Sea Life Nagoya, Nagoya, Aichi
• Takeshima Aquarium, Gamagōri, Aichi

• Oga Aquarium Gao, Oga, Akita

• Asamushi Aquarium, Aomori, Aomori
• Marient Hachinohe City Fisheries Science Museum, Hachinohe, Aomori

• Sekaiichi chitchana Aquarium, Choshi, Chiba
• Inubōsaki Marine Park, Choshi, Chiba (closed)
• Kamogawa Sea World, Kamogawa, Chiba

• Nijino mori Park Aquarium Osakanakan (The Aquarium of Shimantogawa River), Matsuno, Ehime
• Nagako Aquarium (in Nagahama high School), Nagahama, Ehime

• Echizen Matsushima Aquarium, Sakai, Fukui

• Marine World Uminonakamichi, Fukuoka, Fukuoka

• Aquamarine Fukushima, Iwaki, Fukushima
• Inawashiro Kingfisher Aquarium, Inawashiro, Fukushima

• World Freshwater Aquarium, Kakamigahara, Gifu
• Forest Aquarium, Takayama, Gifu

• Minakami Water Travel Road Station, Fisheries Learning Center, Minakami, Gunma

• Miyajima Public Aquarium (Marine Plaza Miyajima), Hatsukaichi, Hiroshima
• Fukuyama University Marine Biocenter Aquarium, Onomichi, Hiroshima
• Mariho Aquarium, Hiroshima, Hiroshima

• Otaru Aquarium, Otaru, Hokkaidō
• Wakkanai Noshappu Cold Aquarium, Wakkanai, Hokkaido
• Sun Piaza Aquarium, Sapporo, Hokkaido
• AOAO SAPPORO, Sapporo, Hokkaido
• Sapporo Salmon Museum, Sapporo, Hokkaido
• Shibetsu Salmon Science Museum, Shibetsu, Hokkaido
• Noboribetsu Marine Park Nixe, Noboribetsu, Hokkaido
• kushiro Aquarium Pukupuku, kushiro, Hokkaido
• Chitose Aquarium, Chitose, Hokkaido
• Yama no Aquarium, kitami, Hokkaido
• Muroran Aquarium, Muroran, Hokkaido
• Okhotsk Aquarium, Abashiri, Hokkaido(closed)

• Atoa, Kobe, Hyōgo
• Aqua tojo, Katō, Hyōgo
• Minatoyama Aquarium, Kobe, Hyōgo
• Kobe Suma Sea World, Kobe, Hyōgo
• Kinosaki Marine World, Toyooka, Hyōgo
• Himeji Aquarium, Himeji, Hyōgo
• Kobe School Aquarium AQUA TEXT, kobe, Hyōgo

• Aqua World, Oarai, Ibaraki
• Kasumigaura Aquarium, Kasumigaura, Ibaraki
• Yamagata freshwater park, Yamagata, Ibaraki(closed)

• Kuji Underground Aquarium and Science Museum Moguranpia, Kuji, Iwate

• Notojima Aquarium, Notojima, Ishikawa

• Shikoku Aquarium, Utazu
• New Yashima Aquarium, takamatsu

• Kagoshima Aquarium, Kagoshima
• Amami Ocean Exhibition Hall, Amami Ōshima

• Aburatsubo Marine Park Aquarium, Miura, Kanagawa (closed)
• Aquarium Sagamihara, Sagamihara, Kanagawa
• Hakone-en Aquarium, Hakonemachi, Kanagawa
• kawasaki Aquarium, kawasaki, Kanagawa
• Kitazato Aquarium Lab, Sagamihara, Kanagawa
• Enoshima Aquarium, Fujisawa, Kanagawa
• Yokohama Hakkeijima Sea Paradise, Yokohama, Kanagawa
• Makado Sea Marine Park (in Makado Elementary School), Yokohama, Kanagawa
• Yomiuri Land Seal Pavilion, Kawasaki, Kanagawa
• Yokohama Fortune Aquarium , Yokohama, Kanagawa

• Muroto Schoolhouse Aquarium, Muroto, Kōchi
• Katsurahama Aquarium, Kōchi, Kōchi
• Ashizuri Ocean Aquarium, Tosashimizu, Kōchi
• Shimanto River Museum Akitsuio, Shimanto, Kōchi

• Kyoto Aquarium, Kyoto
• Hanazono Church Aquarium, Kyoto
• Uocchikan, Miyazu, Kyoto (closed)

• Amakusa Aquarium, Dolphin World, Hondo, Kumamoto
• Sea Donut Aquarium, Kamiamakusa, Kumamoto

• Futami Seaparadise, Ise, Mie^[3]
• Shima Marineland, Shima, Mie(closed)
• Toba Aquarium, Toba, Mie
• AKAME WATERFALLs AQUARIUM, Nabari, Mie

• The Ice Aquarium, Kesennuma, Miyagi
• Sendai Umino-Mori Aquarium, Sendai
• Aqua Terrace Nishikigaoka, Sendai

• Oyodo River Study Aquarium, Miyazaki, Miyazaki
• Dolphin Land, Kushima, Miyazaki
• Idenoyama Fresh Water Aquarium, Kobayashi, Miyazaki

• Alps Azumino National Government Park (Azumino school aquarium), Azumino, Nagano
• Tateshina Amusement Aquarium, Chino, Nagano

• Nagasaki Penguin Aquarium, Nagasaki
• Umi Kirara Saikai National Park Aquarium, Sasebo, Nagasaki
• Mutsugorou Aquarium, Isahaya, Nagasaki

• Joetsu Aquarium Umigatari, Joetsu, Niigata
• Niigata City Aquarium Marinpia Nihonkai, Niigata, Niigata
• Teradomari Aquarium, Teradomari, Niigata
• iyoboya museum, Murakami, Niigata

• Nara kingyo musiam, Nara city, Nara

• Oita Marine Palace Aquarium Umitamago, Ōita, Ōita
• Bansho osakana kan, Saiki, Ōita

• Tamano Marine Museum, Tamano, Okayama

• Okinawa Churaumi Aquarium, Okinawa
• DMM kariyushi Aquarium, Okinawa

• Osaka Aquarium Kaiyukan, Osaka
• NIFREL, Osaka
• Osaka Water Museum and Aquarium, Osaka

• Saitama Aquarium, Hanyu, Saitama

• Lake Biwa Museum, Kusatsu, Shiga^[4]
• Miyazu Energy Laboratory Aquarium, Kyoto, Shiga

• Shimane Aquarium AQUAS, Hamada, Shimane
• Shinjiko Nature Museum, GOBIUS, Hirata, Shimane

• Izu Andyland, Kawazu, Shizuoka
• Izu Mito Sea Paradise, Numazu, Shizuoka
• Yogyo Aquarium, Suntō, Shizuoka
• Wotto Hamanako Aquatic Experience Center, Hamamatsu, Shizuoka
• Numazu Deep Sea Aquarium, Numazu, Shizuoka
• Marine Science Museum, Tokai University, Shizuoka, Shizuoka
• Shimoda Floating Aquarium, Shimoda, Shizuoka
• SMART AQUARiUM SHIZUOKA, Shizuoka City, Shizuoka

• Nakagawa Aquatic Park, Tochigi, Tochigi

• Sea Nature Museum Marine Jam, Kaiyō, Tokushima

• Aqua Park Shinagawa, Minato, Tokyo
• Art Aquarium Museum, Ginza, Tokyo
• Ogasawara_marine_centre, Ogasawara, Tokyo
• Sunshine Aquarium, Toshima, Tokyo
• Tokyo Sea Life Park, Edogawa, Tokyo
• Shinagawa Aquarium, Shinagawa, Tokyo
• Sumida Aquarium, Sumida, Tokyo
• Adachi Park of Living Things, Adachi, Tokyo
• Itabashi Botanical aquarium(at Itabashi Botanical Garden), Itabashi, Tokyo

• Uozu Aquarium, Uozu, Toyama

• Adventure World, Shirahama, Wakayama
• Shirahama Aquarium, Shirahama, Wakayama
• Taiji Whale Museum, Taiji, Wakayama
• Kushimoto Marine Park Center, Kushimoto, Wakayama
• Wakayama Pref. Museum of Natural History, Kainan, Wakayama
• Wakayama Prefectural Museum of Natural History, Kainan, Wakayama
• Susami Crustacean Aquarium, Susami, Wakayama^[5]

• Kamo Aquarium, Tsuruoka, Yamagata

• Shimonoseki Municipal Aquarium Kaikyokan, Shimonoseki, Yamaguchi
• Nagisa aquarium, Suō-Ōshima, Yamaguchi

• Fuji Yusui no Sato Aquarium, Oshino, Yamanashi

• List of botanical gardens
• List of dolphinariums
• List of tourist attractions worldwide
• Marine mammal park

• "List of Aquariums" (PDF). jazga.or.jp. Japanese Association of Zoos and Aquariums. Retrieved 12 June 2010.^{[permanent dead link‍]}
• List of Aquariums in Japan