The year 1793 in science and technology included many events, some of which are listed here.

See also: 1792 in science, other events of 1793, 1794 in science and the list of years in science.

Events

• Eli Whitney invents the "Cottin Gin"

Awards

• Copley Medal: Not awarded

Births

• April 15 - Friedrich Georg Wilhelm Struve, astronomer (died 1864)

Deaths

• April 21 - John Michell, geologist (born 1724)
• May 20 - Charles Bonnet, Swiss naturalist (born 1720)
• June 26 - Gilbert White, English naturalist (born 1720)