Machel Cedenio (born 6 September 1995) is a Trinidadian sprinter specialising in the 400 metres. He represented his country at two outdoor and one indoor World Championships winning a silver medal in the relay at the 2015 outdoor edition. He competed at the 2016 Summer Olympics. He qualified for the final and came fourth with a new personal best of 44.01 seconds. At the time, this was the fastest fourth place time for the 400 metres.