Sir William Seeds KCMG was a British diplomat who served as ambassador to both the Soviet Union and Brazil.
- Occupation
- diplomat
- Position held
- ambassador of the United Kingdom to Colombia, ambassador of the United Kingdom to Brazil, ambassador of the United Kingdom to the Soviet Union, ambassador of the United Kingdom to Albania
- Citizenship
- United Kingdom
- Born
- June 27, 1882
- Died
- November 2, 1973