Kevin Seaward (born 3 October 1983) is a Northern Irish marathon runner from Belfast and an assistant headteacher at a school in Leicestershire. Seaward was part of the Ireland team at the 2016 Summer Olympics and achieved 64th place with a time of 2:20:06, and holds a personal best in the event with a 2:10:09 that he ran at the 2020 Seville Marathon.