Osleidys Menéndez Sáez (Spanish pronunciation: [osˈlejðis meˈnendes ˈsaes]; born November 14, 1979) is a retired Cuban track and field athlete who competed in the javelin throw.

She was a World and Olympic Champion, and held the world record from 2001 to 2008.

Her personal best of 71.70 m remains the North, Central American and Caribbean record and ranks her second on the overall list.

When winning the 2005 World Athletics Championships, Menéndez broke her own world record with a throw of 71.70 m. This record was broken by Olympic champion Barbora Špotáková in September 2008 with a throw of 72.28 m. She won the Cuban National Games in 2004.

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