Martijn Keizer

{{short description|Dutch cyclist}}

{{Infobox cyclist

| name = Martijn Keizer

| image = Martijn Keizer.JPG

| caption = Keizer at the 2013 Tour de l'Ain

| fullname = Martijn Keizer

| nickname =

| birth_date = {{Birth date and age|df=yes|1988|03|25}}

| birth_place = Muntendam, the Netherlands

| height = {{height|m=1.93}}

| weight = {{convert|72|kg|lb|abbr=on}}

| currentteam = Retired

| discipline = Road

| role = Rider

| ridertype = All-rounder

| amateuryears1= 2018

| amateurteam1 = NWV Groningen

| proyears1 = 2007–2010

| proteam1 = {{UCI team code|RB3|2007}}

| proyears2 = 2011–2013

| proteam2 = {{UCI team code|VAC|2011}}

| proyears3 = 2014

| proteam3 = {{UCI team code|VER|2014}}

| proyears4 = 2014–2017

| proteam4 = {{UCI team code|BEL|2014}}{{cite news|url=http://www.teambelkin.com/teamnews/belkin-finds-opportunity-in-martijn-keizer-2122|title=Belkin finds opportunity in Martijn Keizer|work={{UCI team code|BEL|2014}}|publisher=Rabo Wielerploegen|date=25 February 2014|accessdate=25 February 2014}}

| majorwins =

}}

Martijn Keizer (born 25 March 1988) is a Dutch former professional road racing cyclist, who competed professionally between 2007 and 2017 for the {{UCI team code|RB3|2010}}, {{UCI team code|VAC|2013}},{{cite news|url=http://www.velonation.com/News/ID/10790/Vacansoleil-DCM-presented-with-twelve-new-riders-for-2012.aspx|title=Vacansoleil-DCM presented with twelve new riders for 2012|work=VeloNation|publisher=VeloNation LLC|date=3 January 2012|accessdate=7 January 2012|first=Ben|last=Atkins}} {{UCI team code|VER|2014}}, and {{UCI team code|BEL|2017}} teams.