Ylppö
Ylppö is a Finnish surname. It is most prominently associated with Arvo Ylppö, a Finnish pediatrician and professor who became a leading figure in the development of modern child health care in Finland. He directed national efforts to reduce infant mortality, advance neonatal care, and collect epidemiological data on births and growth. His research contributed to standardized growth references used in Finnish pediatrics and influenced public health policy related to child welfare. The surname is of Finnish origin and is most commonly found in Finland and among Finnish-speaking communities abroad.