| State1: | Kansas |
| District1: | 5th |
| Predecessor1: | Joe Skubitz |
| Successor1: | Dick Nichols |
| Term Start1: | January 3, 1979 |
| Term End1: | January 3, 1991 |
| Office2: | Member of the Kansas House of Representatives from the 77th district |
| Term2: | 1975-1977 |
| Predecessor2: | Newt Male |
| Successor2: | Kenneth King |
| Birth Name: | Robert Russell Whittaker |
| Birth Date: | 18 September 1939 |
| Party: | Republican |
| Alma Mater: | University of Kansas Emporia State University |
| Profession: | optometrist |
Robert Russell Whittaker (born September 18, 1939) is an American medical professional and former six-term U.S. Representative from Kansas, serving from 1979 to 1991.
Whittaker was born in Eureka, Kansas and was educated in the Greenwood County public schools. He attended the University of Kansas from 1957 to 1959, and Emporia State University during the summer of 1959.[1] Whittaker earned his Doctor of Optometry degree (O.D.) from Illinois College of Optometry in 1962, and began practice as an optometrist. He was clinic director for the Kansas Low Vision Clinic in 1973.
Whittaker's first foray into politics was as precinct committeeman and member of the city planning commission from 1970 to 1974. He served in the Kansas House of Representatives from 1974 to 1977.
Whittaker was elected as a Republican to the Ninety-sixth and to the five succeeding Congresses (January 3, 1979 – January 3, 1991).[2] He was not a candidate for renomination in 1990 to the One Hundred Second Congress.
After leaving Congress, he was hired as a senior legislative analyst at the Washington, D.C.-based lobbying and public relations firm Fleishman-Hillard.[3]
He is a resident of Colorado Springs, Colorado.