QED
- CQED (disambiguation)
- Gertrude Stein
- Granville Gee Bee R-6
- KQED (TV)
- KQED (disambiguation)
- KQED-FM
- Q.E.D.
- Q.E.D. (American TV series)
- Q.E.D. (British TV series)
- Q.E.D. (Jim Allchin album)
- Q.E.D. (Terje Rypdal album)
- Q.E.D. (manga)
- Q.E.D. (novel)
- QED (band)
- QED (conference)
- QED (play)
- QED (text editor)
- QED International
- QED Records
- QED manifesto
- QEMU
- Quami Ekta Dal
- Quantum Effect Devices
- Quantum electrodynamics
- Quiet Electric Drive
- Quod Erat Demonstrandum (film)
- WQED (TV)
- WQED (disambiguation)
- WQED-FM
- Work (electric field)