Daniela Georgiana Dumitru (born 25 July 1987 in Ploiesti) is a Romanian former long track speed skater and road racing cyclist. As a speed skater she was active between 1995 and 2010 and as a cyclist in 2017. Between 2002 and 2010 she had 35 starts at national championships. She became national champion at the 2010 . Furthermore she won 14 silver and 14 bronze medals at national championships. As a cyclist she was part of the 2017 women's professional cycling team Giusfredi–Bianchi and competed at 2017 women's international races including 2017 UCI Women's World Tour races.