Montgomeryshire (disambiguation)

Montgomeryshire is a historic county and former administrative county of Wales.

Montgomeryshire may also refer to:

• District of Montgomeryshire, one of three districts of Powys from 1974 to 1996
• Montgomeryshire (UK Parliament constituency), a constituency of the House of Commons of the Parliament of the United Kingdom
• Montgomeryshire (Senedd constituency), a constituency of the Senedd
• Montgomeryshire Canal