Daria Gaiazova (born 24 December 1983) is a Canadian cross-country skier.
She was born in Russia and moved with her family to Montreal in 1999.
Competing since 2001, she finished seventh in the team sprint, 16th in the 4 x 5 km relay, 22nd in the individual sprint, and 42nd in the 7.5 km + 7.5 km double pursuit events.
Gaiazova's best finish at the FIS Nordic World Ski Championships was 16th in the 4 x 5 km relay at Sapporo in 2007 while her best individual finish was 28th in the individual sprint event at Liberec two years later.
Her best World Cup finish was 12th on three occasions, all in sprint events, since 2005.
Gaiazova participated at four events in the 2010 Olympics (two individual and two team events), where her best result was the seventh place in the team sprint, together with Sara Renner.