Heymans

Heymans is a Flemish-Dutch surname. It is a patronymic name derived from the given name Heyman, a form of Hermann, with the -s suffix indicating descent or association (son of Heyman). The name is most common in Belgium and the Netherlands and appears in other countries through migration.

Notable people with the surname include Corneille Heymans (1892–1968), a Belgian physiologist who received the Nobel Prize in Physiology or Medicine in 1938 for his discoveries concerning the regulation of respiration and blood circulation. His work helped establish how chemoreceptors and reflex mechanisms regulate breathing and cardiovascular function.

The surname has variants such as Heyman and Heymann, reflecting regional spelling differences and historical orthographic variation. See also: Heyman (surname).