Libania Grenot Martinez (born 12 July 1983) is a Cuban-born Italian former[3] athlete specialising in the 400 metres.

[4] Born in Santiago de Cuba on 12 July 1983, Grenot started running at the age of 9.

[6] In 2009, she won a gold medal in the distance at the XVI Mediterranean Games with a time of 50.30 s, a new Italian record.

[7] In 2014, she won a gold medal in the 400 metres at the European Championships, becoming the first Italian woman to win an international track title since 1938.

Grenot won seven national championships at individual senior level (six as Italian, three as Cuban).