| Clcs: | yes |
| Year: | 2012 |
| Stage1champion: | Chunichi Dragons (2) |
| Stage1champion Games: | 75–53–16 (.586), 10.5 GB |
| Stage1runnerup: | Tokyo Yakult Swallows (1) |
| Stage1runnerup Games: | 68–65–11 (.511), 20 GB |
| Date1: | October 13–15 |
| Stage2champion: | Yomiuri Giants (4) |
| Stage2champion Games: | 86–43–15 (.667), 10.5 GA |
| Stage2runnerup: | Chunichi Dragons (3) |
| Stage2runnerup Manager: | Morimichi Takagi |
| Stage2runnerup Games: | 75–53–16 (.586), 10.5 GB |
| Date2: | October 17–22 |
| Mvp: | Yoshihito Ishii (Yomiuri) |
| Previous Series: | 2011 Central League Climax Series |
| Previous Year: | 2011 |
| Next Series: | 2013 Central League Climax Series |
| Next Year: | 2013 |
The 2012 Central League Climax Series (CLCS) consisted of two consecutive series, Stage 1 being a best-of-three series and Stage 2 being a best-of-six with the top seed being awarded a one-win advantage. The winner of the series advanced to the 2012 Japan Series, where they competed against the 2012 Pacific League Climax Series (PLCS) winner. The top three regular-season finishers played in the two series. The CLCS began on with the first game of Stage 1 on October 13 and ended with the final game of Stage 2 on October 22.