2005–06 Munster Rugby season

The 2005–06 Munster Rugby season was Munster's fifth season competing in the Celtic League, alongside which they also competed in the Heineken Cup. It was Declan Kidney's first season as head coach, in his second spell at the province.

Pool 1
Note: Munster took first place over Sale Sharks on competition points in head-to-head matches, 5–4.