William Guy Collar (born 3 February 1997) is an English professional footballer who plays as a central midfielder for EFL League One club Stockport County.

He made his debut for Brighton on 28 August 2018, in the EFL Cup at home against Southampton where he played the full match in a 1–0 loss against their south coast rivals.

[10] On 7 December 2022, Collar scored his first professional hat trick as Stockport beat League One Charlton Athletic 3–1 in an FA Cup second round replay at Edgeley Park.

[12] Collar played 18 times for Stockport in the EFL League 2 title winning season in 2023/24 scoring 4 goals.

Having made his return in February, his season ended prematurely following a crude challenge by a Gillingham defender causing a high ankle strain.