| Giangos Simantiris | |
| Birth Date: | 5 February 1940 |
| Birth Place: | Haifa, Mandatory Palestine |
| Position: | Defender. |
| Years1: | 1956–1960 |
| Clubs1: | Hapoel Haifa |
| Years2: | 1960–1964 |
| Clubs2: | Olympiacos |
| Nationalyears1: | 1959 |
| Nationalteam1: | Israel |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 1961 |
| Nationalteam2: | Greece |
| Nationalcaps2: | 1 |
| Nationalgoals2: | 0 |
Giangos Simantiris, also known as Yango Simantiri, (5 February 1940 – 9 March 2007) was a footballer who played international football for both Israel and Greece.[1] He played as a defender for Hapoel Haifa and Olympiacos.