| Pekka Kainu | |
| Birth Date: | 20 December 1979 |
| Birth Place: | Veteli, Finland[1] |
| Position: | Forward |
| Years1: | 2000–2001 |
| Years2: | 2002–2003 |
| Years3: | 2004–2005 |
| Years4: | 2006–2008 |
| Years5: | 2009–2010 |
| Years6: | 2011–2012 |
| Clubs5: | Vaasan Palloseura |
| Clubs6: | Oulun Palloseura |
| Caps3: | 51 |
| Caps4: | 68 |
| Caps5: | 45 |
| Caps6: | 46 |
| Goals3: | 17 |
| Goals4: | 9 |
| Goals5: | 8 |
| Goals6: | 9 |
| Pcupdate: | 2 May 2013 |
Pekka Kainu (born 20 December 1979) is a Finnish footballer.