| SAF Long Service and Good Conduct (20 Years) Medal | |
| Presenter: |  Singapore |
| Type: | Medal |
| Eligibility: | Members of the Singapore Armed Forces |
| Awarded For: | 20 years service |
| Status: | Active |
| Clasps: | 'Thirty Year' |
| Higher: | Long Service Medal (Military) |
| Lower: | Singapore Armed Forces Long Service and Good Conduct (10 Years) Medal |
| Image2 Size: | 100px |
The Singapore Armed Forces Long Service and Good Conduct (20 Years) Medal is a decoration awarded to a member of the Singapore Armed Forces (SAF) (regardless of regular or NSmen status) who has completed 20 years of continuous service.
A clasp is awarded for an additional 10 years of service, for a total of 30 years.
In the SAF, the medals for service are: