, currently known as for sponsorship reasons, is a football stadium in the city of Kashima, in Ibaraki Prefecture, Japan. It is the home stadium of club Kashima Antlers. The stadium has a capacity of 40,728.
In 2025, e-commerce company Mercari, the owner of the Kashima Antlers since 2019, acquired the naming rights to the stadium and gave it the "nickname" Mercari Stadium, by which it would be referred in matches and events, while the official name remained unchanged.
Before the creation of the J. League, Kashima's forerunner, Sumitomo Steel S.C., played at the nearby Sumitomo Steel plant's athletic grounds.
Kashima Football Stadium hosted the following three matches in the 2002 FIFA World Cup.
In 2023, the girl group Hinatazaka46 released the music video for "Tomo yo, Ichibanboshi da", filmed primarily at the stadium.