Kerson Hadley (born May 22, 1989 in Pohnpei) is a Micronesian swimmer. He competed at the 2008 Summer Olympics. He finished in 70th place in a time of 25.34s.
He qualified for the 2012 Summer Olympics in the Men's 50 metre freestyle where he ranked 40th. In London Olympics 2012 he won his heat in a time of 24.82s but it wasn't quick enough to qualify to the next round.