1957–58 French Rugby Union Championship

The 1957-58 French Rugby Union Championship was contested by 48 clubs divided in six pools of eight. The five better of each pool and thes two better sixths (for a sum of 32 clubs) were qualified to play a play-off phase. The championship was won by Lourdes that defeated Mazamet in the final. Le FC lourdais won the title for the third consecutive time.

1957–58 French Rugby Union Championship

The 1957-58 French Rugby Union Championship was contested by 48 clubs divided in six pools of eight. The five better of each pool and thes two better sixths (for a sum of 32 clubs) were qualified to play a play-off phase. The championship was won by Lourdes that defeated Mazamet in the final. Le FC lourdais won the title for the third consecutive time.