Guillermo Balzi

{{notability|1=Biographies|date=April 2025}}

{{short description|Argentine footballer}}

{{Use dmy dates|date=September 2024}}

{{Infobox football biography

| name = Guillermo Balzi

| image =

| caption =

| fullname =

| birth_date = {{birth date and age|2001|07|23|df=yes}}

| birth_place = Los Surgentes, Argentina

| height = 1.75 m

| currentclub = Levadiakos
(on loan from Newell's Old Boys)

| clubnumber = 11

| position = Midfielder

| youthyears1 =

| youthclubs1 = Newell's Old Boys

| years1 = 2021–2022

| clubs1 = Newell's Old Boys II

| caps1 =

| goals1 =

| years2 = 2022–

| clubs2 = Newell's Old Boys

| caps2 = 50

| goals2 = 1

| years3 = 2024–

| clubs3 = → Levadiakos (loan)

| caps3 = 23

| goals3 = 3

| pcupdate = 27 April 2025

}}

Guillermo Balzi (born 23 July 2001) is an Argentine professional footballer who plays as a midfielder for Greek Super League club Levadiakos, on loan from Newell's Old Boys.{{Soccerway|guillermo-balzi/698537}}