Diederik Jacob van Tuyll van Serooskerken was a Dutch nobleman who served as a major general in the Imperial Russian Army, and later as the third Russian ambassador to the United States.
- Occupation
- diplomat, military personnel
- Position held
- ambassador, Ambassador of the Russian Empire to the United States
- Citizenship
- Batavian Republic
- Born
- April 6, 1772
- Died
- April 11, 1826