Osler

Osler may refer to:


 * A. Follett Osler (1808–1903), Birmingham meteorologist and chronologist
 * Bennie Osler (1901–1962), South African rugby union footballer
 * Several notable members of the Osler family of Canada, including:
 * Britton Bath Osler (1839–1901), Canadian lawyer and prosecutor
 * Sir Edmund Boyd Osler (Ontario politician) (1845–1924), Ontario politician and railway businessman
 * Edmund Boyd Osler (Manitoba politician) (1919–1987), Manitoba politician
 * Sir William Osler (1849–1919), physician and founding professor at Johns Hopkins Hospital
 * Osler, Hoskin & Harcourt, a Canadian law firm founded by Britton Bath Osler
 * Osler, Saskatchewan, a town in Saskatchewan, Canada, named after Edmund Boyd Osler
 * Malcolm Osler, a World War II South African flying ace

In medicine

 * Hereditary hemorrhagic telangiectasia, or Osler's disease, named for Sir William Osler
 * Osler's nodes, painful, red, raised lesions found on the hands and feet