- Seneca-Seneca-Cayuga Nation of Oklahoma1
- Sharp, Philip R.1
- Sikes, Robert L. F. (Robert Lee Fulton), 1906-19941
- Smith, Neal Edward, 1920-1
- Staggers, Harley O. (Harley Orrin), 1951-1
- Stennis, John C. (John Cornelius), 1901-19951
- Stevenson, Adlai E., III (Adlai Ewing), 1930-1
- Tonkawa Nation1
- Tonkawa Tribe of Nation of Oklahoma1
- Tsongas, Paul1
- United States. Bureau of Alcohol, Tobacco, and Firearms1
- United States. Congress. House. Committee on Appropriations. Subcommittee on Department of Defense1
- United States. Congress. House. Committee on Appropriations. Subcommittee on Transportation1
- United States. Congress. House. Committee on Banking, Currency, and Housing. Subcommittee on General Oversight and Renegotiation1
- United States. Congress. House. Committee on Banking, Currency, and Housing. Subcommittee on Housing and Community Development1
- United States. Congress. House. Committee on Ethics1
- United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on Energy and the Environment1
- United States. Congress. House. Committee on Interstate and Foreign Commerce1
- United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Aviation1
- United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Investigations and Review1