2006–07 in Welsh rugby union

Beddau RFC won the Division One East League, but were denied promotion to the Premier League as their grounds were deemed to not meet WRU criteria. This ruling was upheld in an EGM by 67% of members.

Bonymaen RFC won the Division One West League, but were denied promotion to the Premier League as their grounds were deemed to not meet WRU criteria. This ruling was upheld in an EGM by 67% of members.

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