| Kostas Vallianos | |
| Birth Date: | 1 March 1937 |
| Nationalteam1: | Greece |
| Nationalyears1: | 1960–1965 |
| Nationalcaps1: | 11 |
| Nationalgoals1: | 0 |
Kostas Vallianos (born 1 March 1937) is a Greek footballer.[1] He played in eleven matches for the Greece national football team from 1960 to 1965.[2]