PHD or PhD may refer to:
*
Doctor of Philosophy (PhD), an academic qualification
Entertainment
* ''
PhD: Phantasy Degree'', a Korean comic series
* ''
Piled Higher and Deeper
''Piled Higher and Deeper'' (also known as ''PhD Comics''), is a newspaper and webcomic strip written and drawn by Jorge Cham that follows the lives of several grad students. First published in 1997 when Cham was a grad student himself at Stanfo ...
'', a web comic
*
Ph.D. (band), a 1980s British group
**
Ph.D. (Ph.D. album)
''Ph.D.'' is the 1981 debut album by the band of the same name. It was later reissued with a different cover when " I Won't Let You Down" became a hit in several countries in early 1982. The original cover was designed by Mike Payne and was the ...
*
Ph.D. (Art Farmer album)
''Ph.D.'' is an album by Art Farmer recorded in New York in 1989 and originally released on the Contemporary label.
* "PHD", a song on the album
''Tweekend'' by the Crystal Method
Science and technology
*
PHD finger, a protein sequence
* Enzymes
PHD1,
PHD2 and
PHD3
{{Disambiguation
