| Mārcis Šteinbergs | |
| Position: | Power forward |
| Height Ft: | 6 |
| Height In: | 10 |
| Weight Lb: | 198 |
| League: | Liga ACB |
| Team: | Bàsquet Manresa |
| Number: | 12 |
| Birth Date: | 28 August 2001 |
| Birth Place: | Ogre, Latvia |
| Nationality: | Latvian |
| Draft Year: | 2023 |
| Career Start: | 2017 |
| Years1: | 2017-2019 |
| Team1: | BK Ogre |
| Years2: | 2019-2021 |
| Years3: | →2019-2021 |
| Years4: | 2021–present |
| Team4: | Bàsquet Manresa |
| Highlights: |
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Mārcis Šteinbergs (born 28 August 2001) is a Latvian professional basketball player for Baxi Manresa of the Liga ACB. He also represents the senior Latvian national team. At a height of, he plays at the power forward position.
Mārcis started his career at his hometown team BK Ogre. In January 2019, he signed a long-term deal with CB Gran Canaria.[1] After playing mainly for the second team in Liga EBA and LEB Plata, Šteinbergs signed a contract with Baxi Manresa.[2] With Manresa, he played in the 2022 Basketball Champions League Final Four. He has been nominated for the ACB Best Young Player Award on two occasions (2022, 2023).
Mārcis represented Latvia in European U-18 Championship in 2018 and 2019. Šteinbergs has been called to the Latvian national team, playing in the Basketball World Cup qualification and EuroBasket 2025 qualification.
Mārcis' sister in a long time Latvia women's national basketball team leader Anete Šteinberga.[3]