Packwood: 50-60% 60-70%Morse: 50–60%
The 1968 United States Senate election in Oregon was held on November 5, 1968. Incumbent Democratic U.S. Senator Wayne Morse was seeking a fifth term, but narrowly lost re-election to 36 year-old Republican State Representative Bob Packwood in a very close race.
- Wayne Morse, incumbent U.S. Senator since 1945.
- Robert B. Duncan, former U.S. Congressman from Oregon's 4th congressional district (1963–1967).
- Phil McAlmond, millionaire and former aide to opponent Robert B. Duncan.
|Democratic||Wayne Morse (incumbent)||185,091||49.03%|
|Democratic||Robert B. Duncan||174,795||46.30%|
|Democratic||Wayne Morse (incumbent)||405,353||49.80%|
|Republican gain from Democratic|