Helen June DeVos (née Van Wesep; February 24, 1927 – October 18, 2017) was an American philanthropist and political donor. She was the wife of Richard DeVos, co-founder of Amway beauty and home care products company and owner of the Orlando Magic basketball team. She was the mother-in-law of U.S. Secretary of Education, Betsy DeVos.

DeVos was born in Grand Rapids, Michigan. She studied at Calvin College. In 1953, she married Richard DeVos. They had three sons, Dick, Dan, and Doug, and a daughter, Cheri DeVos-Vander Weide.

DeVos served on the board of directors of the Grand Rapids Symphony and the St. Cecelia Music Center.

DeVos died at her home in Ada Township, Michigan on October 18, 2017 of complications from a stroke after being diagnosed with acute myeloid leukemia, aged 90.