Gonzalo Peillat (born 12 August 1992) is a field hockey player who plays as a defender for Men's Feldhockey Bundesliga club Mannheimer HC.

He was part of the Argentine squad that emerged as runners-up to New Zealand in the final of the 2012 Sultan Azlan Shah Cup.

He was the top goalscorer during the 2012 Men's Pan-Am Junior Championship with 15 goals and Argentina eventually won the title by beating Canada in the final.

[16] He was a crucial member of the Argentine squad which claimed gold medal in the men's field hockey tournament at the 2015 Pan American Games and was also the top goalscorer of the competition with a tally of 14 goals.

[19][20] All of his three goals came from the penalty corner in the first half of the match as Argentina defeated favourites Germany 5–2 in the semi-final to set up a grand final with Belgium.

He was part of the Argentina squad which won the 2017 Men's Pan American Cup and he was the joint top goalscorer of the competition alongside fellow Argentine player Matías Paredes with seven goals.

[25][26] He was the top goalscorer of the 2018 Sultan Azlan Shah Cup with 8 goals and he was a vital member of the Argentina side which secured third place during the competition.

[32] He also pointed out allegations regarding favoritism and player politics in team selection and lack of passion in Argentine hockey.

[35] In late February 2022, Peillat acquired German citizenship and its national team coach André Henning asked permission from the International Hockey Federation for him to be part of the squad.

[37][38] He made his international debut in Germany colours on 26 March 2022 against Spain during the 2021–22 Men's FIH Pro League.

[43][44][45] Peillat scored from the penalty corners in the 43rd, 52nd and 59th minutes of the semi-final to stun Australia in order to help Germany reach their fourth ever Hockey World Cup final.