Shōwa (same as Showa,昭和) is:

• the Showa (era), a Japanese era name spanning from 1312 to 1317
• the Showa period, a Japanese era name describing the reign of Hirohito
• a town in Akita, Japan; see Showa, Akita
• a town in Yamanashi, Japan; see Showa, Yamanashi
• a former town in Tokyo, now part of Akishima, Tokyo
• a ward of Nagoya, Showa-ku, Nagoya
• a village in Fukushima, Japan; see Showa, Fukushima
• a village in Gunma, Japan; see Showa, Gunma
• a continuity in Toho's kaiju films, Showa era (daikaiju eiga).