Mamiko Aso (麻生 真宮子, Asō Mamiko, born February 5, 1964 in Fukuoka, Japan), whose real name is Miwa Tajima (田島 みわ, Tajima Miwa), is a former Japanese idol, singer and actress of the 1980s, who is currently a businesswoman.
After their separation in 1987, she continued her solo career as Mamiko Asō, releasing two singles in Japan, and a few plays in drama and film.
In the 1990s, she released three singles in Italy, including Drive me crazy to Love in 1995, which peaked #21 in the local charts.
In 1998, she created a company name, TAJIMA, she directs and produces its own among other Italian wine.
Retiring from her idol career, she resumed her real name, Miwa Tajima, and entered politics, standing for election for the House of Councillors in July 2010.