Adolph William Schmidt (September 13, 1904 – December 17, 2000) was a prominent Pittsburgh philanthropist who served as United States Ambassador to Canada from 1969 to 1974.

For a part of his service he served abroad in Africa, while his wife Helen was in Washington, D.C. working for the United States Navy.

[4] After the war, Schmidt became president of the A. W. Mellon Educational and Charitable Trust, serving in that role from 1946 to 1969.

[2] Schmidt also served as president of the Presbyterian-University Hospital, was one of the co-founders of the Pittsburgh Playhouse, and was the first chairman of the Three Rivers Arts Festival.

[1] In 1969, President Richard Nixon named Schmidt United States Ambassador to Canada.