Arnaldo Alonso

{{Short description|Paraguayan footballer (born 1979)}}

{{Use dmy dates|date=January 2021}}

{{Infobox football biography

|embed =

|name = Arnaldo Alonso

|image =

|alt =

|caption =

|fullname =

|birth_date = {{Birth date and age|1979|12|18|df=y}}

|birth_place = Asunción, Paraguay

|death_date =

|death_place =

|height =

|position = Forward

|youthyears1 =

|youthclubs1 =

|years1 = 2004

|clubs1 = Sport Colombia

|caps1 = 31

|goals1 = 6

|years2 = 2005

|clubs2 = 12 de Octubre

|caps2 = 34

|goals2 = 10

|years3 = 200506

|clubs3 = Universitario

|caps3 = 6

|goals3 = 2

|years4 = 2006

|clubs4 = Olimpia

|caps4 = 13

|goals4 = 1

|years5 = 2007

|clubs5 = Sol de América

|caps5 = 9

|goals5 = 0

|years6 = 2007–2009

|clubs6 = Deportivo Pasto

|caps6 = 28

|goals6 = 6

|years7 = 2009–2010

|clubs7 = San Martín de San Juan

|caps7 = 9

|goals7 = 0

|years8 = 2010

|clubs8 = Deportivo Español

|caps8 = 11

|goals8 = 0

|totalcaps = 149

|totalgoals = 25

|nationalyears1 =

|nationalteam1 =

|nationalcaps1 =

|nationalgoals1 =

|medaltemplates = {{medal|2nd|Torneo Clausura| 2006}}
{{medal|2nd|Copa Colombia| 2009}}

}}

Arnaldo Alonso (born 18 December 1979) is a Paraguayan footballer who played for clubs including San Martín de San Juan of the Primera B Nacional in Argentina.