Name

Japanese League One D3



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Current Season
2025-2026

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Location
Japan

Gender
Male

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Japan Rugby League One (Japanese: ジャパンラグビーリーグワン, romanized: Japanragubīrīguwan), formerly known as the Top League (Japanese: トップリーグ, romanized: Toppurīgu), is a rugby union competition in Japan. It is the highest level of professional rugby competition in the country. The Japan Rugby Football Union created the competition in 2003, by absorbing the Japan Company Rugby Football Championship. The chief architect of the league was Hiroaki Shukuzawa who strongly felt the urgency of improving Japanese domestic company rugby to a professional level which would allow Japan to compete more convincingly at Rugby World Cups.
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LeRIRO Fukuoka
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Red Regulions
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Secom Rugguts
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Skyactivs Hiros
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Water Gush Akis
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Yakult Levins
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