Diana Sujew

Diana Sujew (born 2 November 1990 in Riga, Latvia) is a German athlete who specialises in the middle-distance running. She was the German 1500m champion in 2011. She qualified for 2016 Summer Olympics where she competed in the women's 1500 m. She finished 9th in her semifinal and did not advance to the final.

Her sister Elina Sujew is also a runner.