The year 1827 in science and technology included many events, some of which are listed here.

Chemistry

• Aluminium discovered by Friedrich Woehler
• William Prout classifies the components of food into the three main divisions of carbohydrates, fats and proteins.

Awards

• Copley Medal: William Prout; Henry Foster

Births

• January 7 - Sir Sandford Fleming (d. 1915), Canadian engineer and surveyor known as the "father of time zones"
• April 5 - Joseph Lister (d. 1912), British inventor of antiseptic.
• November 30 - George Jackson Mivart (d. 1900), English biologist.

Deaths

• March 5
  • Pierre-Simon Laplace (b. 1749), mathematician.
  • Alessandro Volta (b. 1745), physicist.