Reynier Mena Berenguer (born 21 November 1996) is a Cuban sprinter.

[2] He competed in the 200 metres at the 2015 World Championships and 2016 Olympics.

On 3 July 2022, Mena set massive personal bests in both the 100 metres, joining the sub-10-second club with a 9.99, and in the 200 metres with a 19.63 that suddenly made him into the #10 performers of all time.

Outdoor As of 6 September 2024, Mena holds the following track records for 100 metres and 200 metres.