Diana Ospina-Taylor (born July 4, 1979) is a former professional tennis player from the United States.

[1] A right-handed player, she claimed her first ITF circuit title in Mexico City in 1997.

Ospina won a total of five ITF singles tournaments during her career and was a regular in WTA Tour qualifiers, twice making the main draw.

She qualified for the 2003 Kroger St. Jude International in Memphis and featured in the 2005 Challenge Bell in Quebec City as a lucky loser.

[2] Since retiring she has worked as a tennis coach, most recently as a member of staff at Franklin Athletic Club.