| Baby! Koi ni Knock Out! | |
| Cover: | PM_Baby_Koi_ni_Knock_Out01.jpg |
| Type: | single |
| Artist: | Pucchimoni |
| Album: | Zenbu! Pucchimoni |
| Released: | February 28, 2001 (JP) |
| Recorded: | 2001 |
| Genre: | Japanese pop |
| Label: | Zetima |
| Producer: | Tsunku |
| Prev Title: | Seishun Jidai 1.2.3! / Baisekou Daiseikou! |
| Prev Year: | 2000 |
| Next Title: | Pittari Shitai X'mas! |
| Next Year: | 2001 |
is the third single of the subgroup Pucchimoni. It was released on February 28, 2001 and sold 429,270 copies.
All songs are composed and written by Tsunku. "Baby! Koi ni Knock Out!" was arranged by Konishi Takao, "Waltz! Ahiru ga Sanba" was arranged by Takahashi Yuichi.