| Birth Date: | 10 February 1987 |
| Birth Place: | Olsztyn, Poland |
| Height: | 2.00 m[1] |
| Weight: | 130 kg |
| Weight Class: | +100 kg |
| Club: | Gwardia Olsztyn[2] |
| Coach: | Piotr Sadowski, Wojciech Sarnacki[3] |
| Worlds Rank: | R16 |
| Worlds Year: | 2013 |
| Worlds Weight: | Men's +100 kg |
| Worlds Year2: | 2014 |
| Worlds Weight2: | Men's +100 kg |
| Worlds Year3: | 2018 |
| Worlds Weight3: | Men's +100 kg |
| Regionals Type: | EU |
| Regionals Rank: | 5 |
| Regionals Year: | 2017 |
| Regionals Weight: | Men's +100 kg |
| Olympics Rank: | R16 |
| Olympics Year: | 2016 |
| Olympics Weight: | Men's +100 kg |
| Updated: | 23 November 2022 |
Maciej Sarnacki (born 10 February 1987) is a Polish judoka. In 2021, he competed in the men's +100 kg event at the 2020 Summer Olympics held in Tokyo, Japan.[4]
Sarnacki also competed in the men's +100 kg event at the 2016 Summer Olympics held in Rio de Janeiro, Brazil.