Daniela Nu?u-Gajic (born Daniela Silvia Nu?u on 8 June 1957 in Timi?oara, Romania) is a Romanian-Australian chess Woman Grandmaster (WGM) and chess trainer.
She represented Romania in seven Chess Olympiads, winning five medals, including two individual gold medals.
She won the Romanian Women's Chess Championship three times in 1978, 1979 and 1980, the Yugoslav Women's Chess Championship in 1989, and the Australian Women's Chess Championship in 1995.