| Mukhammedzhan Seysen | |
| Fullname: | Mukhammedzhan Muratuly Seysen |
| Height: | 1.90 m |
| Birth Date: | 1999 2, df=yes |
| Birth Place: | Taraz, Kazakhstan |
| Position: | Goalkeeper |
| Currentclub: | Astana |
| Clubnumber: | 74 |
| Youthyears1: | –2016 |
| Youthclubs1: | Taraz |
| Years1: | 2017–2019 |
| Clubs1: | Taraz-2 |
| Caps1: | 23 |
| Goals1: | 0 |
| Years2: | 2018–2023 |
| Clubs2: | Taraz |
| Caps2: | 74 |
| Goals2: | 0 |
| Years3: | 2023 |
| Clubs3: | Ordabasy |
| Caps3: | 11 |
| Goals3: | 0 |
| Years4: | 2024– |
| Clubs4: | Astana |
| Caps4: | 0 |
| Goals4: | 0 |
| Nationalyears1: | 2018 |
| Nationalteam1: | Kazakhstan U20 |
| Nationalcaps1: | 1 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2018– |
| Nationalteam2: | Kazakhstan U21 |
| Nationalcaps2: | 9 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2021– |
| Nationalteam3: | Kazakhstan |
| Nationalcaps3: | 1 |
| Nationalgoals3: | 0 |
| Pcupdate: | 7 April 2024 |
| Ntupdate: | 4 June 2021 |
Mukhammedzhan Muratuly Seysen (Kazakh: Мұхаммеджан Мұратұлы Сейсен, Mūhammedjan Mūratūly Seisen; born 14 February 1999) is a Kazakhstani footballer who plays as a goalkeeper for Astana.
Seysen made his professional debut for Taraz in the Kazakhstan Premier League on 15 March 2019, starting in the 1–4 away loss against Tobol.[1]
He made his debut for Kazakhstan national football team on 4 June 2021 in a friendly against North Macedonia.[2]