| Mariano Hoyas | |
| Fullname: | Mariano Hoyas de la Cruz |
| Birth Date: | 19 September 1970 |
| Birth Place: | Plasencia, Spain |
| Position: | Right back |
| Youthclubs1: | Plasencia |
| Years1: | 1989–1990 |
| Years2: | 1990–1991 |
| Years3: | 1991–1994 |
| Caps3: | 56 |
| Goals3: | 0 |
| Years4: | 1994–1996 |
| Caps4: | 63 |
| Goals4: | 1 |
| Years5: | 1996–2000 |
| Caps5: | 121 |
| Goals5: | 0 |
| Years6: | 2000–2002 |
| Caps6: | 5 |
| Goals6: | 0 |
| Years7: | 2002–2003 |
| Caps7: | 34 |
| Goals7: | 0 |
| Totalcaps: | 279 |
| Totalgoals: | 1 |
| Nationalyears1: | 1991 |
| Nationalcaps1: | 3 |
| Nationalgoals1: | 0 |
Mariano Hoyas de la Cruz (born 19 September 1970 in Plasencia, Extremadura) is a Spanish retired footballer who played as a right back.