{{infobox Franse gemeente|
|plaatsnaam= Saint-Dizier
|wapen= 90px
|kaart= 
|regio= Champagne-Ardennen 
|departement= Haute-Marne (52)
|arrondissement= Saint-Dizier
|kanton= Saint-Dizier-Sud-Est
|jaar= 1999
|inwoners= 30.900
|dichtheid= 647,8
|oppervlakte= 47,7
|water= 
|latitudeGraden= 48 |latitudeMinuten= 38|latitudeSeconden= 0
|longitudeGraden= 4 |longitudeMinuten= 57 |longitudeSeconden= 0
|E of W=E |ol of wl=O.L.
|kaartX= 213 |kaartY= 86
|code= 52448
|postcode= 52100
|netnummer= 
|hoogteligging= 
|aangrenzende gemeenten=    
|burgemeester= 
|website= 
|diverse= <small>bron: [http://www.insee.fr/ Frans bureau voor statistiek]<small>  
}} 
'''Saint-Dizier''' is een gemeente in het Franse departement Saint-Dizier.

==Geografie==
De oppervlakte van Saint-Dizier bedraagt 47,7 km², de bevolkingsdichtheid is 647,8 inwoners per km². 

==Demografie==
Onderstaande figuur toont het verloop van het inwonertal (bron: INSEE-tellingen).
<timeline>                                                
ImageSize  = width:250 height:200                          
PlotArea   = left:40 right:10 top:10 bottom:20            
TimeAxis   = orientation:horizontal                       
AlignBars  = justify                                       
Colors =                                                
  id:gray1 value:gray(0.9)                           
                                                  
DateFormat = yyyy                                 
Period     = from:1960 till:2010                 
ScaleMajor = unit:year increment:10 start:1960
                                    
PlotData =                          
  bar:51000 color:gray1 width:1       
  from:start till:end             
  bar:34000 color:gray1              
  from:start till:end            
  bar:17000 color:gray1           
  from:start till:end         
  bar:0 color:gray1       
                       
                    
LineData =       
  layer:front    
  points:(48,135)(84,142) color:blue  width:2 #1962 tot 1968. Inwonertal 1962: 34407 1968: 36616
  points:(84,142)(100,144)    color:blue    width:2 #1975: 37266
  points:(100,144)(128,137)   color:blue    width:2 #1982: 35189
  points:(128,137)(160,132)   color:blue    width:2 #1990: 33552
  points:(160,132)(196,123)   color:blue    width:2 #1999: 30900
  
</timeline>     
<!-- Bron: Frans bureau voor statistiek. Cijfers inwoneraantal volgens de definitie "population sans doubles comptes" --> 

{{French commune
|nomcommune=Saint-Dizier<br>120px<br><small>Coat of arms of Saint-Dizier</small>
|region=Champagne-Ardenne
|department=sous-préfecture'')
|arrondissement=Saint-Dizier
|canton=Chief town of 4 cantons
|insee=52448
|cp=52100
|maire=François Cornut-Gentille
|mandat=2001-2008
|intercomm=
|longitude=4.94972222222 
|latitude=48.6383333333 
|alt moy=146 m
|alt mini=
|alt maxi=
|hectares=4,769
|km²=47.69
|sans=30,900
|date-sans=1999
|dens=647.9
|date-dens=1999}}
'''Saint-Dizier''' is a town and commune in the department in the region of subprefecture of the department. Although Saint-Dizier is marginally the most populous commune in Haute-Marne, the ''préfecture'' (capital) resides in the somewhat smaller commune of Chaumont.

==Geography==
Located approximately 120 miles east of Paris, halfway to Strasbourg, it is five miles from Western Europe's largest man-made lake, Lake Der-Chantecoq.

== History ==

The town originated as a fortified settlement around a thirteenth century besieged and captured by Orléans family until the German troops during World War II, and currently houses the Municipal Museum.

== Famous People ==