Indonesian Academic & Professional Abbreviations

dr. (Dokter)

• Meaning: Medical doctor (general practitioner or specialist).
• Usage: Graduates of medical school (Fakultas Kedokteran) holding a professional medical degree (Profesi Dokter).
• Formatting: Written in lowercase with a period at the end.
• Example: dr. Budi Santoso

Dr. (Doktor)

• Meaning: Doctor of Philosophy or equivalent academic doctoral degree.
• Usage: Individuals who have completed a doctoral program (S3/Ph.D).
• Formatting: Capital "D" followed by a period.
• Example: Dr. Siti Aminah, M.Pd.

DR (Doktor Honoris Causa)

• Meaning: Honorary doctorate granted for significant contributions to society, science, or culture.
• Formatting: Traditionally written in all capital letters. Formal style prefers inclusion of a period (DR.).
• Example: DR. Ir. Soekarno (or Dr. (H.C.) depending on style guide).

Summary Table

Abbreviation	Full Term	Context
dr.	Dokter	Medical Professional
Dr.	Doktor	Academic/PhD Degree
DR.	Doktor Honoris Causa	Honorary Degree

English Usage of Doctor Titles

1. Medical Doctor (M.D. or D.O.)

• Prefix: Always Dr. (e.g., Dr. John Smith). No lowercase equivalent.
• Suffix: M.D. (Medical Doctor) or D.O. (Doctor of Osteopathic Medicine).
• Usage: Referred to as "Dr. [Name]" in conversation and writing.

2. Academic Doctor (Ph.D., Ed.D., etc.)

• Prefix: Dr. (e.g., Dr. Jane Doe).
• Suffix: Commonly Ph.D. or other doctorate titles like Ed.D., D.B.A..
• Usage: Both medical and academic doctors are addressed as "Dr." in professional settings.

3. Honorary Doctor (Hon. / H.C.)

• Prefix: "DR" in all caps is not standard. Courtesy title is Dr..
• Suffix: Denoted with (Hon.) or (honoris causa).
• Example: John Smith, Ph.D. (Hon.) or Dr. John Smith (honoris causa).

Summary Table: English Usage

Term	English Prefix	English Suffix (Designation)
Medical Doctor	Dr.	M.D. / D.O.
Academic Doctor	Dr.	Ph.D. / Ed.D. / etc.
Honorary Doctor	Dr.	(Hon.) / (h.c.)

Key Takeaways

• No Lowercase: English does not use "dr." — only "Dr."
• Capitalization: Never written as "DR"; always "Dr."
• Clarity: Suffixes (M.D., Ph.D.) distinguish medical vs. academic credentials.