Maria Tregubova (born July 17, 1984) is a Moldovan former swimmer, who specialized in sprint freestyle events.

Swimming in heat four, she edged out Uzbekistan's Saida Iskandarova to pick up a fifth seed and fifty-fourth overall by 0.23 of a second in 27.75.

[2] At the 2004 Summer Olympics in Athens, Tregubova qualified again for the 50 m freestyle by eclipsing a FINA B-cut of 26.90 from the Russian Open Championships in Moscow.

[3] Swimming in the same heat as Sydney, she picked up a second spot over Aruba's Roshendra Vrolijk by 0.03 of a second, outside her entry time of 28.40.

Tregubova failed to advance into the semifinals, as she placed forty-eighth overall out of 75 swimmers on the last day of preliminaries.