| Say Piseth សាយ ពិសិដ្ឋ | |
| Fullname: | Say Piseth |
| Birth Date: | 4 August 1990 |
| Birth Place: | Kandal, Cambodia |
| Height: | [1] |
| Position: | Defender |
| Youthyears1: | 2005–2007 |
| Youthclubs1: | Phnom Penh Empire |
| Years1: | 2008–2010 |
| Clubs1: | Chhlam Samuth |
| Years2: | 2010 |
| Clubs2: | → Wat Phnom (loan) |
| Years3: | 2010 |
| Clubs3: | → National Police Commissary (loan) |
| Years4: | 2010–2023 |
| Clubs4: | National Police Commissary |
| Nationalyears1: | 2013 |
| Nationalteam1: | Cambodia U-23 |
| Nationalyears2: | 2011–2016 |
| Nationalteam2: | Cambodia |
| Nationalcaps2: | 20 |
| Nationalgoals2: | 0 |
| Manageryears1: | 2023– |
| Managerclubs1: | National Police Commissary (Assistant coach) |
Say Piseth (born 4 August 1990 in Phnom Penh, Cambodia) is a former Cambodian footballer who last played for home town club National Police Commissary in Cambodian League 2.
He has represented Cambodia at senior international level.[2]