| Mario Mataja | |
| Fullname: | Mario Mataja |
| Birth Date: | 15 January 1967 |
| Birth Place: | Banja Luka, SFR Yugoslavia |
| Position: | Left full-back |
| Youthyears1: | 1974–1985 |
| Youthclubs1: | Borac Banja Luka |
| Years1: | 1985–1992 |
| Years2: | 1992–1993 |
| Years3: | 1993–1994 |
| Years4: | 1994–1996 |
| Years5: | 1997–1999 |
| Clubs3: | Orijent |
| Caps2: | 5 |
| Caps4: | 35 |
| Caps5: | 46 |
| Goals2: | 0 |
| Goals4: | 1 |
| Goals5: | 3 |
| Nationalteam1: | Yugoslavia U-21 |
Mario Mataja is a former Bosnian-Herzegovinian footballer.
Mataja played club football for Borac Banja Luka in the Yugoslav First League, helping the club win the 1987–88 Yugoslav Cup and Mitropa Cup in 1992. For a brief time, Mr. Mataja was player in Austria (SV Feldkirchen).