Néstor Clausen

{{Infobox football biography

| name = Néstor Clausen

| image = Clausen independiente.jpg

| image_size = 200

| caption = Clausen in 1987

| fullname = Néstor Rolando Clausen

| birth_date = {{Birth date and age|1962|9|29|df=y}}

| birth_place = Arrufó, Argentina

| height = 1.76 m

| position = Defender

| currentclub =

| youthyears1 =

| youthclubs1 =

| years1 = 1980–1988

| years2 = 1989–1994

| years3 = 1994–1995

| years4 = 1995–1996

| years5 = 1997–1998

| clubs1 = Independiente

| clubs2 = FC Sion

| clubs3 = Racing Club

| clubs4 = Independiente

| clubs5 = Arsenal de Sarandí

| caps1 = 260

| caps2 = 73

| caps3 = 22

| caps4 = 15

| caps5 = 12

| goals1 = 7

| goals2 = 2

| goals3 = 0

| goals4 = 0

| goals5 = 0

| totalcaps = 382

| totalgoals = 9

| nationalyears1 = 1981

| nationalteam1 = Argentina U20

| nationalcaps1 = 3

| nationalgoals1 = 0

| nationalyears2 = 1983–1989

| nationalteam2 = Argentina

| nationalcaps2 = 26

| nationalgoals2 = 1

| manageryears1 = 1999–2001

| manageryears2 = 1999–2001

| manageryears3 = 2001–2002

| manageryears4 = 2002–2003

| manageryears5 = 2003–2004

| manageryears6 = 2004–2005

| manageryears7 = 2006–2007

| manageryears8 = 2007–2008

| manageryears9 = 2008–2009

| manageryears10 = 2009

| manageryears11 = 2010

| manageryears12 = 2011

| manageryears13 = 2011

| manageryears14 = 2012–2013

| manageryears15 = 2013

| manageryears16 = 2014

| manageryears17 = 2014

| manageryears18 = 2015

| manageryears19 = 2016

| manageryears20 = 2016–2017

| manageryears21 = 2017

| manageryears22 = 2017–2018

| manageryears23 = 2019

| manageryears24 = 2020

| manageryears25 = 2021

| manageryears26 = 2022

| managerclubs1 = Independiente (youth coordinator)

| managerclubs2 = Independiente (youth)

| managerclubs3 = Independiente

| managerclubs4 = Oriente Petrolero

| managerclubs5 = The Strongest

| managerclubs6 = Chacarita Juniors

| managerclubs7 = FC Sion

| managerclubs8 = Oman (assistant)

| managerclubs9 = Neuchâtel Xamax

| managerclubs10 = Al-Kuwait

| managerclubs11 = Bolívar

| managerclubs12 = The Strongest

| managerclubs13 = Dubai Club

| managerclubs14 = Blooming

| managerclubs15 = Wilstermann

| managerclubs16 = Sport Boys Warnes

| managerclubs17 = Bolivia (interim)

| managerclubs18 = San José

| managerclubs19 = Mushuc Runa

| managerclubs20 = Club Sportif Sfaxien

| managerclubs21 = San José

| managerclubs22 = Oriente Petrolero

| managerclubs23 = San José

| managerclubs24 = Deportivo Llacuabamba

| managerclubs25 = Real Santa Cruz

| managerclubs26 = Blooming

| medaltemplates = {{MedalCountry|{{fb|ARG}}}}

}}

Néstor Rolando Clausen (born 29 September 1962) is an Argentine football manager and former player who played as a defender.

A native of Arrufó, Santa Fe Province, his ancestors were originally from Ernen, Valais in Switzerland and emigrated to Argentina around the year 1889.{{cite web|publisher=Portal suizo de Información y Servicios|title=Nestor Clausen presentó su renuncia como entrenador del Sion|url=http://www.swisslatin.ch/deportes-0658.htm|language=es|access-date=11 December 2010}}

In his career, he played for Club Atlético Independiente, FC Sion, among others, and won the 1986 FIFA World Cup with Argentina.