Maria Lehaci (born Maria Tivodariu; 28 June 1999) is a Romanian rower. She is an Olympic champion and won the gold medal in the women's eight at the 2024 Summer Olympics. Lehaci is also a two-time world champion in eight and six-time European champion, including titles in eight and coxless four. She competed in the women's eight event at the 2020 Summer Olympics.

She married the rower Florin Lehaci in 2023.