Walter Gastón Coyette (born 28 January 1976 in Avellaneda) is an Argentine football manager and former player who played as a midfielder.
In 1995, he was part of the Argentina U-20 squad that won the 1995 FIFA World Youth Championship and in 1996 he helped Lanús to win the Copa CONMEBOL.
Coyette started his coaching career at Club de Gimnasia y Esgrima La Plata in 2010 as assistant manager for Diego Cocca.
[6] On 10 June 2016, Coyette was appointed manager of Chacarita Juniors on a one-year deal, the same team where he had retired as a professional player.
[10] Returning to Argentina after his spell in Chile, Coyette was appointed manager of Alvarado at the end of June 2020.