Sikh war may refer to:

  • Afghan–Sikh Wars (1748–1839)
  • Nepal–Sikh war (1809)
  • Dogra–Tibetan war (1841–1842)
  • Anglo-Sikh War (disambiguation)
  • First Anglo-Sikh War (1845–1846)
  • Second Anglo-Sikh War (1848–1849)