Leryn Franco is a Paraguayan athlete, of Uruguayan parentage, who specializes in the javelin throw. Her personal best throw is 55.38 metres, achieved in May 2007 in Fortaleza.

She broke the national records for the under 17 year age group in 1998 for both the javelin and triple jump. After winning bronze medals in 1999 and 2000, Franco won the South American Junior Championship javelin title in 2001.

Her performances at world level are 24th in the 2003 World Championship and she also competed at the 2004 Summer Olympics for Paraguay where she was 21st in Group A and finished 42nd overall. Although she set her personal best in 2007 she finished 12th (last) in the Pan-American Games in Rio de Janeiro.

Franco again competed for Paraguay at the 2008 Beijing Olympics, shotting over 10 meters short of her personal record, finishing 51st overall.

She combines her athletic endeavours with a career as a model and beauty pageant contestant. In 2006 she was runner-up Miss Paraguay. She participated at the Miss Bikini Universe pageant and also has her own calendar which was shot in 2007 by Martin Crespo.

Franco is currently dating Serbian tennis player, Novak Djokovic. The two met at the Beijing Olympics and is seen in Djokovic's Player Box at the U.S. Open.