William Seymore (born February 29, 1992) is an American soccer player who plays as a midfielder for New Mexico United in the USL Championship.

[1] He then joined Soham Town Rangers before signing a letter of intent to play college soccer at Oregon State University.

[2] A four-year starter at Oregon State University, he made a total of 73 appearances for the Beavers and tallied seven goals and nine assists.

[12] Seymore signed for League of Ireland Premier Division side Sligo Rovers on 9 December 2019.

[14] Seymore made a further two appearances in the FAI Cup as Sligo reached the semi-final, before losing to eventual runners-up, Shamrock Rovers.