| Ralph Kilzer | |
| State Senate: | North Dakota |
| District: | 47th |
| Term Start: | December 1, 1998 |
| Term End: | December 1, 2018 |
| Predecessor: | Evan Lips |
| Successor: | Michael Dwyer |
| Office1: | Member of the North Dakota House of Representatives |
| Term Start1: | 1996 |
| Term End1: | 1998 |
| Birth Date: | 30 March 1935 |
| Education: | Saint John's University (BS) Medical College of Wisconsin (MD, MPH) |
| Party: | Republican |
Ralph L. Kilzer (born March 30, 1935) is an American politician and physician who served as a member of the North Dakota Senate for the 47th district from 1998 to 2018.
Kilzer earned a Bachelor of Science degree from Saint John's University,[1] followed by a Doctor of Medicine and Master of Public Health from the Medical College of Wisconsin.[2]
Kilzer served in the United States Army.[3] He later worked as an orthopedic surgeon and as a clinical professor of surgery at the University of North Dakota School of Medicine and Health Sciences. He was also a medical consultant for the North Dakota Workers Compensation Bureau.[4] From 1996 to 1998, he was a member of the North Dakota House of Representatives. Kilzer was elected to the North Dakota Senate in November 1998 and assumed office on December 1, 1998.