Kubota Spears Funabashi Tokyo Bay (commonly known as the Kubota Spears) is a Japanese rugby union team based in Funabashi, Chiba participating in the Japan Rugby League One. The team rebranded as Kubota Spears Funabashi Tokyo Bay ahead of the rebranding of the Top League as the Japan Rugby League One in 2022.

The Kubota Spears are a professional rugby union team based in Japan. They compete in the Top League, the highest level of rugby in the country. The team was founded in 2003 and is owned by the Kubota Corporation, a leading Japanese machinery manufacturer.

The Kubota Spears are known for their fast-paced and physical style of play, with a strong emphasis on teamwork and discipline. They have a dedicated fan base and play their home matches at the Chichibunomiya Rugby Stadium in Tokyo.

The team has a rich history of success, with multiple Top League titles and appearances in the prestigious All-Japan Rugby Football Championship. The Kubota Spears are considered one of the top teams in Japanese rugby and are known for producing talented players who go on to represent the national team.

Overall, the Kubota Spears are a formidable force in Japanese rugby, with a strong tradition of excellence and a commitment to developing the sport at all levels.