| Juan Carlos Villamayor | |
| Fullname: | Juan Carlos Villamayor Medina |
| Birth Date: | 1969 3, df=yes |
| Birth Place: | Paraguay |
| Years1: | 1995–1997 |
| Years2: | 1996 |
| Years3: | 1998–1999 |
| Years4: | 1999 |
| Years5: | 1999–2000 |
| Years6: | 2000 |
| Years7: | 2000–2001 |
| Years8: | 2002–2006 |
| Clubs8: | Sport Colombia |
| Caps6: | 10 |
| Goals6: | 0 |
| Caps7: | 8 |
| Goals7: | 0 |
| Nationalyears1: | 1993–1997 |
| Nationalteam1: | Paraguay |
| Nationalcaps1: | 18 |
| Nationalgoals1: | 3 |
Juan Carlos Villamayor Medina (born 5 March 1969) is a former Paraguayan football player.
| Club performance | League | Cup | League Cup | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Club | League | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | |
| Japan | League | Emperor's Cup | J.League Cup | Total | |||||||
| 1998 | Avispa Fukuoka | J1 League | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| 1999 | 14 | 4 | 0 | 0 | 1 | 1 | 15 | 5 | |||
| Total | 15 | 4 | 0 | 0 | 1 | 1 | 16 | 5 | |||
| Paraguay national team | |||
|---|---|---|---|
| Year | Apps | Goals | |
| 1993 | 2 | 0 | |
| 1994 | 0 | 0 | |
| 1995 | 8 | 2 | |
| 1996 | 2 | 1 | |
| 1997 | 6 | 0 | |
| Total | 18 | 3 | |