ASICS (アシックス Ashikkusu) (stylized in all lowercase and italicized) is a Japanese multinational corporation which produces footwear and sports equipment designed for a wide range of sports, generally in the upper price range. The name is an acronym for the Latin phrase anima sana in corpore sano, which translates as "Healthy soul in a healthy body". In recent years their running shoes have often been ranked among the top performance footwear in the market. On September 7th, 2018, ASICS has become an International Paralympic Committee official supplier. This agreement will be valid through to 2020 to benefit the Paralympic Movement.

ASICS Ltd. began as Onitsuka Co., Ltd on September 1, 1949.Its founder, Kihachiro Onitsuka, began manufacturing basketball shoes in his home town of Kobe, Hyogo Prefecture, Japan. Soon after the range of sports activities widened to a variety of Olympic styles used throughout the '50s, '60s and '70s by athletes worldwide. Onitsuka became particularly renowned for the Mexico 66 design, in which the distinctive crossed stripes, now synonymous with the company brand, were featured for the first time. In 1977, Onitsuka Tiger merged with GTO and JELENK to form ASICS Corporation. Despite the name change, a vintage range of ASICS shoes are still produced and sold internationally under the Onitsuka Tiger label.

In its 2006 fiscal year, Asics generated 171 billion yen in net sales and 13 billion yen in net income. Sixty-six percent of the company's income came from the sale of sports shoes, 24% from sportswear, and 10% from sports equipment. Forty-nine percent of the company's sales were in Japan, 28% in North America, and 19% in Europe. On July 12, 2010, ASICS bought the Swedish outdoor brand Haglöfs, for SEK1,000,000,000 ($128.7 million).

On October 4, 2011, it was announced that ASICS will be the new official kit manufacturer for the Australian Cricket Team, replacing German manufacturer Adidas.On December 12, 2018, ASICS announced the launch of an e-commerce website for the Indian market. Through this platforms, customers can make orders, deliveries and payments easier. This new ASICS website will host many global top sellers, like GEL Kayano, Hyper GEL, GEL KENUN, GEL Nimbus among other popular styles, stated the release.