Dwarf hamster may refer to:

• A member of any of the three species of genus Phodopus:
  • Campbell's dwarf hamster
  • Djungarian hamster
  • Roborovski hamster
• A member of certain species of genera Cricetulus, Nothocricetulus, or Urocricetus:
  • Tibetan dwarf hamster
  • Chinese dwarf hamster
  • Kam dwarf hamster
  • Long-tailed dwarf hamster
  • Grey dwarf hamster
  • Sokolov's dwarf hamster