Translation guide
The top professional association football (soccer) league in Japan, commonly known as the J.League.
Referring to the professional soccer league as an organization or competition.
The standard abbreviation used in virtually all contexts, from casual conversation to official media.
I went to watch a J.League match.
The J.League kicked off in 1993.
The full official name. Used in formal documents, legal contexts, or when introducing the league to those unfamiliar with it.
The regulations of the Japan Professional Football League have been revised.
Referring to a particular tier within the league system.
The three divisions are simply called J1, J2, and J3. Use the number after 'J'.
That team was promoted to J1.
They won the J2 championship.
Adding 'リーグ' is also common, especially in formal contexts or to avoid ambiguity.
The J1 League match schedule has been announced.
Referring to the J.League Cup (YBC Levain Cup), a separate tournament.
The generic name for the league cup competition. Often sponsored, currently known as 'YBCルヴァンカップ'.
The J.League Cup final will be held at the National Stadium.
The current sponsored name (YBC Levain Cup). Commonly used in media and by fans.
They reached the semi-finals of the Levain Cup.
In most situations, simply say 'Jリーグ'. The full official name '日本プロサッカーリーグ' sounds stiff and is rarely used outside of formal documents. Even in news reports, 'Jリーグ' is the norm.
Do not translate 'Japan Professional Football League' word-for-word as '日本のプロサッカーリーグ'. While grammatically correct, it sounds like a description rather than the proper name. Use 'Jリーグ' or the full official name when formality requires.