| Robert S. Farrell Jr. | |
| Office: | Secretary of State of Oregon |
| Term Start: | January 4, 1943 |
| Term End: | October 28, 1947 |
| Governor: | Earl Snell |
| Predecessor: | Earl Snell |
| Successor: | Earl T. Newbry |
| Office3: | 40th Speaker of the Oregon House of Representatives |
| Term Start3: | 1941 |
| Term End3: | 1942 |
| Predecessor3: | Ernest R. Fatland |
| Successor3: | William M. McAllister |
| Constituency3: | Multnomah County |
| Party: | Republican |
| Birth Date: | 25 October 1906 |
| Birth Place: | Portland, Oregon |
| Death Place: | Lake County, Oregon |
Robert Sylvester Farrell Jr.[1] (October 25, 1906 – October 28, 1947) was an American Republican politician in the state of Oregon.
He lived in Portland, Multnomah County, Oregon, and served as a Delegate to the Republican National Convention from Oregon in both 1940 and 1944.[2] Farrell was elected as the Speaker of the Oregon House of Representatives in 1941.[3] He served as Oregon Secretary of State from 1943 until his death in 1947.
He died in office while flying to southern Oregon on a hunting trip, with Oregon Governor Earl Snell, State Senate President Marshall E. Cornett and pilot Cliff Hogue. All four were killed when the small plane crashed in stormy weather near Dog Lake, Lake County, Oregon, on October 28, 1947. His interment was at River View Cemetery in Portland, Oregon.[2]