Wilma Rosbach Brown (August 7, 1921 – January 31, 2018) was an American politician in the state of Washington. She served the 20th district from 1979 to 1983. She operated a clothing store with her husband, Chuck in Chehalis, Washington.^[1][2] Rosbach died from cancer in January 2018 at the age of 96.^[3]