Sumas is a city in Washington.

Sumas may also refer to:

• Sumas First Nation, an Aboriginal Canadian band of the Pacific Northwest, part of the Sto:lo people
• The Suma-Jumano, a Native American tribe of the American Southwest
• Sumas, British Columbia, a former municipality in British Columbia, now amalgamated with the City of Abbotsford

• Sumas Mountain, a mountain in Whatcom County, Washington
• Sumas Mountain (British Columbia), a mountain in British Columbia, Canada
  • Sumas Mountain Provincial Park, a provincial park in British Columbia
• Sumas Lake, a former lake in British Columbia
  • Sumas Prairie, an agricultural region and rural neighbourhood in Abbotsford, British Columbia in the former lake bed
• Sumas River, in the Fraser Lowland, between the US and Canada

• Sumas Border Crossing, a major Canada-US border crossing
• Chilliwack-Sumas, BC, Canada; a provincial electoral district from 2001-2009
• Sustainability Management School (SUMAS)

• All pages with titles beginning with Sumas
• All pages with titles containing Sumas
• Suma (disambiguation)