| Office: | 6th United States Ambassador to Albania |
| Term Start: | December 21, 1991 |
| Term End: | October 13, 1994 |
| Preceded: | Hugh Gladney Grant |
| Succeeded: | Joseph Edward Lake |
| Birth Date: | 10 December 1936 |
| Birth Place: | Pompton Lakes, New Jersey |
| Education: | Cornell University |
William Edwin Ryerson (born December 10, 1936) is an American former diplomat who was a career Foreign Service Officer. He served as the U.S. Ambassador Extraordinary and Plenipotentiary to Albania from 1991 until 1994.[1]
Ryerson was born in Pompton Lakes, New Jersey on December 10, 1936.[2] After a 52-year break, diplomatic relations between the United States and Albania were re-established on March 15, 1991. The U.S. Embassy in Tirana opened October 1, 1991. Christopher Hill as Chargé d'Affaires ad interim until Ryerson presented his credentials on December 21, 1991.[3]
The Cornell University graduate (he began as an engineering major before switching to history) was consul general in Yugoslavia in the late 1980s.[4]