Other
- Plummer block, method of mounting bearings on a rotating shaft
- Plummer House (disambiguation), any of several historic houses
- Plummer model, mathematical model in dynamical systems
- Plummer Terrier, breed of dog
- John Humphrey Plummer Professor of Theoretical Chemistry (1932–1968), professorship at Cambridge
- Jones Plummer Trail, cattle-droving trail in Kansas, United States
- Polly Plummer, fictional main character in The Magician's Nephew
Read more about this topic: Plummer