| Boriss Monjaks | |
| Fullname: | Boriss Monjaks |
| Birth Date: | 1970 4, df=yes |
| Birth Place: | USSR |
| Years1: | 1988 |
| Years2: | 1988–1989 |
| Caps2: | 39 |
| Goals2: | 1 |
| Years3: | 1994–1996 |
| Caps3: | 56 |
| Goals3: | 12 |
| Years4: | 1997 |
| Years5: | 2000–2002 |
| Caps5: | 68 |
| Goals5: | 0 |
| Nationalyears1: | 1992–1996 |
| Nationalteam1: | Latvia |
| Nationalcaps1: | 16 |
| Nationalgoals1: | 0 |
Boriss Monjaks (born 11 April 1970) is a former football defender from Latvia. He obtained a total number of 16 caps for the Latvia national team between 1992 and 2001, scoring no goal. His last club was Daugava Rīga, where he retired in 2002.