Joan Adams Mondale (née Adams; August 8, 1930 – February 3, 2014) was the wife of Walter Mondale. He is a former Vice President of the United States, Presidential candidate, and United States Ambassador to Japan. She was the unofficial second lady from 1977 to 1981. She was an advocate for arts and has had the name 'Joan of Art'. She has studied kinds of art, such as Japanese art.