Federico Lionel Monja (born 12 September 1993) is an Argentine field hockey player.
In 2024 he will represent Argentina at the XXXIII Summer Olympics in France.
Monja made his international debut at under-21 level, making his first appearance in 2012. He made his debut for the Argentine UâÂÂ21 team at the Pan American Junior Championship in Guadalajara, where he won a gold medal.
The following year he represent the junior national team again. He was a member of the squad at both the Sultan of Johor Cup in Johor Bahru and the FIH Junior World Cup in New Delhi.
Following a five-year hiatus from international competition, Monja received his first call-up to the Los Leones squad in 2018. He made his senior international debut during a test series against Malaysia in Buenos Aires.
Since his debut, Monja has been a regular inclusion in national squads. He has appeared in all five seasons of the FIH Pro League. In 2023 he was a member of the squad at the FIH World Cup in Bhubaneswar and Rourkela. He has also won gold medals at the 2022 Pan American Cup and the 2023 Pan American Games, both held in Santiago.
On 7 June 2024, he was named in the national squad for the XXXIII Summer Olympics in Paris.