Roberto Hernández Prendes (6 March 1967 – 5 July 2021) was a Cuban track and field sprinter who specialized in the 400 metres. He was born in Limonar, Matanzas. His personal best for the 400 metres is 44.14 seconds, set in Seville, Spain in May 1990.
Until September 2006, this was the fastest time by anyone not from the US. It remains the Cuban record for the event. He broke 44.5 seconds on four other occasions.