Robert J. Ryan Sr.

Robert J. Ryan Sr.
2nd US Ambassador to Niger
In office
July 9, 1964  August 19, 1968
PresidentLyndon B. Johnson
Preceded byMercer Cook
Succeeded bySamuel C. Adams, Jr.
Personal details
Born(1914-07-11)July 11, 1914
Hatfield, Massachusetts
DiedSeptember 13, 2003(2003-09-13) (aged 89)
Daytona Beach, Florida

Robert Joseph Ryan Sr. (July 11, 1914 September 17, 2003) was an American diplomat. Ryan served as the US Ambassador to Niger from 1964 to 1968.