| Waldir Sáenz | |
| Fullname: | Waldir Alejandro Sáenz Pérez |
| Birth Date: | 15 May 1973 |
| Birth Place: | Lima, Perú |
| Height: | 1.73 m |
| Position: | Striker |
| Youthyears1: | 1986–1991 |
| Youthclubs1: | Alianza Lima |
| Years1: | 1992–1998 |
| Years2: | 1998 |
| Years3: | 1999 |
| Years4: | 1999–2000 |
| Years5: | 2000 |
| Years6: | 2001–2005 |
| Years7: | 2006 |
| Years8: | 2007 |
| Years9: | 2008 |
| Years10: | 2009 |
| Years11: | 2013 |
| Clubs1: | Alianza Lima |
| Clubs2: | Colorado Rapids |
| Clubs3: | Alianza Lima |
| Clubs4: | Unión de Santa Fe |
| Clubs5: | Sporting Cristal |
| Clubs6: | Alianza Lima |
| Clubs7: | Melgar |
| Clubs8: | Deportivo Municipal |
| Clubs9: | Alianza Lima |
| Clubs10: | Sport Boys |
| Clubs11: | Walter Ormeño |
| Caps1: | 169 |
| Caps2: | 23 |
| Caps3: | 32 |
| Caps4: | 3 |
| Caps5: | 15 |
| Caps6: | 117 |
| Caps7: | 6 |
| Caps8: | 5 |
| Caps9: | 6 |
| Caps10: | 18 |
| Caps11: | 8 |
| Goals1: | 108 |
| Goals2: | 6 |
| Goals3: | 22 |
| Goals4: | 1 |
| Goals5: | 4 |
| Goals6: | 38 |
| Goals7: | 1 |
| Goals8: | 0 |
| Goals9: | 0 |
| Goals10: | 12 |
| Goals11: | 2 |
| Nationalyears1: | 1993–2000 |
| Nationalteam1: | Peru |
| Nationalcaps1: | 27 |
| Nationalgoals1: | 3 |
| Club-Update: | January 2010 |
| Nationalteam-Update: | January 2010 |
Waldir Alejandro Sáenz Pérez (born May 15, 1973, in Lima) is a Peruvian retired football striker.
Waldir is most famous as a player for Alianza Lima, in which he became the all-time leading goalscorer of the club with 168 goals in 324 matches. He also played for Colorado Rapids (1998), Unión de Santa Fe (1999), Sporting Cristal (2000), among others. In 2013, he came back from retirement to play for Walter Ormeño.
He obtained 27 caps for the Peru national football team from 1993 to 2000, scoring three goals.[1]