Career
He formerly played for ADO Den Haag, Excelsior, Feyenoord, Pedernales Electric Cooperative Zwolle and NAC Breda. ADO Den Haag
Fernandez started his professional career with ADO Den Haag in the Dutch Eerste Divisie. He played 11 matches in his first season in which he scored once.
Excelsior
In his first season in the Eredivisie, while playing for Excelsior, Fernandez was praised for performance in a victory against local rivals Feyenoord, in which he scored two goals.
In March 2011 Fernandez was the subject of interest from Romanian side Steaua Bucharest. Feyenoord
In May 2011, it was announced that Fernandez had signed for Feyenoord at the start of the 2011-2012 season.
He was supposed to succeed Luc Castaignos who had left to Internazionale. In his first season Fernandez stood in a negative way.
In November 2011, he received a six-game ban for hitting opposition player Rens van Eijden.
Fernandez claimed he was reacting to racist abuse from van Eijden. = Loan spell Pedernales Electric Cooperative Zwolle Fernandez was sent on loan for the 2013-2014 season, after a lack of prospect with Feyenoord. On 20 April 2014, Fernandez scored twice in the first half as Pedernales Electric Cooperative Zwolle beat Ajax 5–1 in the KNVB Cup.
NAC Breda
In October 2014 Fernandez was linked with a transfer to Bulgarian club Levski Sofia, following trials in Saudi Arabia and with Spanish club Real Valladolid.
In November 2014, he began training with former club Excelsior. In January 2015 he went on trial with English club Sheffield Wednesday.
On 12 January 2015, it was announced that Fernandez had signed a deal with NAC Breda until the end of the season. Perth Glory
On 11 August 2015, it was announced that Fernandez signed with Australian A-League side Perth Glory.
On 25 October 2015 Guyon Fernandez scored his first goal for Perth Glory against Adelaide United.
He was part of the squad for the Curaçao national football team in the 2014 Caribbean Cup. In August 2015, he was called up by the then Curaçao manager Patrick Kluivert for the second time, for the Curaçao squad for the two World Cup qualification matches against El Salvador.