| Full Name | Ruth Katherina Martha Pfau |
| Born | 9 September 1929 |
| Birthplace | Leipzig, Weimar Republic |
| Died | 10 August 2017 (aged 87) |
| Place of Death | Karachi, Sindh, Pakistan |
| Nationality | German, Pakistani |
| Occupation | – Roman Catholic Nun – Physician – Writer |
| Alma Mater | University of Mainz |
| Known for | – Founder of Marie Adelaide Leprosy Centre – National Leprosy Control Program in Pakistan |
| Awards | – Hilal-i-Imtiaz – Ramon Magsaysay Award – Hilal-i-Pakistan (1989) – Nishan-i-Quaid-i-Azam (2010) – Sitara-i-Quaid-i-Azam |
| Contributions | – Established 157 leprosy clinics across Pakistan – Treated over 56,780 people for leprosy |
| Notable Hospital | Dr. Ruth Pfau Hospital |
| Resting Place | Gora Qabaristan, Karachi, Pakistan |
| Monuments | Dr. Ruth Pfau Hospital |
