Maria Suelen Altheman (born 12 August 1988) is a Brazilian heavyweight judoka.

She beat Anne-Sophie Mondière in her first match, then Nihel Cheikh Rouhou before losing to Mika Sugimoto in the quarterfinals.

In the repechage, she beat Gulzhan Issanova before losing her bronze medal match to Tong Wen.

[1] At the 2020 Summer Olympics, Altman won her first fight only to injure her knee losing the quarterfinal to Romane Dicko, forcing her to abandon the tournament rather than go to the repechage.

[3] Media related to Maria Altheman at Wikimedia Commons