Sergiu Toma (born 29 January 1987) is a Moldovan-born Emirati judoka. He competed for the United Arab Emirates in the 81 kg category at the 2016 Olympic Games and defeated Takanori Nagase to enter the semi-finals. He lost his semi-final match to Khasan Khalmurzaev, but then beat Matteo Marconcini in the bronze medal match.