Montgomery County

Ceir sawl lle o'r enw Montgomery County gan gynnwys:	

Cymru
Sir Drefaldwyn (Saesneg: Montgomeryshire)

Unol Daleithiau America

 Montgomery County, Alabama
 Montgomery County, Arkansas
 Montgomery County, Georgia 
 Montgomery County, Illinois 
 Montgomery County, Indiana
 Montgomery County, Iowa
 Montgomery County, Kansas 
 Montgomery County, Kentucky
 Montgomery County, Maryland
 Montgomery County, Mississippi
 Montgomery County, Missouri 
 Montgomery County, Efrog Newydd 
 Montgomery County, Gogledd Carolina 
 Montgomery County, Ohio
 Montgomery County, Pennsylvania
 Montgomery County, Tennessee
 Montgomery County, Texas
 Montgomery County, Virginia