Julio Leonel Mosevich (born 4 February 1997) is an Argentine professional footballer who plays as a centre-back for Chilean club O'Higgins, on loan from Argentinos Juniors.

[2] He was an unused substitute in an Primera División match against Olimpo in November 2015, prior to making his professional league debut on 13 March 2016 versus Temperley.

[2][3] On 30 June 2018, Swiss Super League side FC St. Gallen completed the loan signing of Mosevich.

[2] The club was promoted to the Primeira Liga after finishing in first place, though weren't officially deemed champions as the season was cut short due to the COVID-19 pandemic.

[2] Mosevich soon returned to Argentina, before leaving on loan to Portuguese football again on 6 October 2020 as he agreed to terms with newly promoted LigaPro team Vizela.