Marek Klassen
| No. 3 – ESSM Le Portel | |
|---|---|
| Position | Point guard | 
| League | LNB Pro A | 
| Personal information | |
| Born | June 11, 1992 Vancouver, British Columbia, Canada  | 
| Listed height | 6 ft 1 in (1.85 m) | 
| Listed weight | 185 lb (84 kg) | 
| Career information | |
| High school | Yale Secondary School (Abbotsford, British Columbia)  | 
| College | Point Loma Nazarene (2010–2015) | 
| NBA draft | 2015: undrafted | 
| Playing career | 2015–present | 
| Career history | |
| 2015–2016 | CSU Sibiu | 
| 2016 | Leeds Force | 
| 2016–2017 | Worcester Wolves | 
| 2017–2018 | İTÜ | 
| 2018–2019 | SOCAR Petkim | 
| 2019 | Fraser Valley Bandits | 
| 2019–2020 | Erie Bayhawks | 
| 2020–2021 | Kyiv-Basket | 
| 2021–2022 | Czarni Słupsk | 
| 2022 | ERA Nymburk | 
| 2022–2023 | Prometey | 
| 2023 | Limoges CSP | 
| 2023 | Vancouver Bandits | 
| 2023–2024 | Karditsa | 
| 2024–2025 | Śląsk Wrocław | 
| 2025–present | ESSM Le Portel | 
Marek Klassen (born June 11, 1992) is a Canadian professional basketball player for ESSM Le Portel of the LNB Pro A. He played college basketball for Point Loma Nazarene.