Jhonny Alexander Rentería Jiménez (born 26 March 1997) is a Colombian sprinter. He has won several medals at regional level. His personal bests are 10.18 seconds in the 100 metres (-1.1 m/s, Cochabamba 2018) and 20.95 seconds in the 200 metres (+0.5 m/s, Medellín 2017).