| Koi no Fuga | |
| Cover: | Koi_no_Fuga.jpg |
| Type: | single |
| Artist: | W |
| Album: | Duo U&U |
| Language: | Japanese |
| English Title: | Fugue of Love |
| B-Side: | Furimukanaide |
| Recorded: | 2004 |
| Genre: | J-pop |
| Length: | 8:03 |
| Label: | Zetima |
| Composer: | Koichi Sugiyama |
| Lyricist: | Rei Nakanishi |
| Producer: | Tsunku |
| Prev Title: | Robo Kiss |
| Prev Year: | 2004 |
| Next Title: | Ai no Imi wo Oshiete! |
| Next Year: | 2005 |
is the fourth single of the Hello! Project duo W, released on February 9, 2005 on the Zetima label. A Single V DVD containing the music video was released on February 23, 2005. The song "Koi no Fuga" is a cover of a song originally released by The Peanuts in August 1967; "Furimukanaide" is also a song first recorded by The Peanuts, but was also covered in the 80s by Wink, and by Yuki Koyanagi in 2003. It was also parodied in the Super Sentai Series Engine Sentai Go-Onger