Courvoisier may refer to:
Courvoisier, a brand of cognac Courvoisier (surname) Courvoisier's law (or Courvoisier syndrome, or Courvoisier's sign), a medical diagnostic named after him Courvoisier v. Raymond, a case decided by the Colorado Supreme Court Courvoisier, a historic manufacturer of complicated clocks and watches, controlled by Gallet & Co. during the 19th and early 20th century Hélio Courvoisier, a Swiss printing company, specialized in stamps