- Said to be the same as
- Doctor of Philosophy, Philosophiae doctor (Norway), Danish PhD, Candidate of Sciences, Doctor of Business and Economics, doctorate in France, magister degree, diploma di perfezionamento della Scuola Normale Superiore, ISCED level 8, Doctor of Philosophy (Japan), Doctor of Arts
- female form of label
- Doctora en Filosofía, Doutora en filosofía
- male form of label
- Doutor en filosofía
- short name
- δρ., Dr. phil., Ph.D., PhDr., PhD, DPhil, Dr. phil., Ph.D., Ph.D., Dr., fil. tri, dr