The year 1733 in science and technology included many events, some of which are listed here.

See also: 1732 in science, other events of 1733, 1734 in science, list of years in science

Births

• March 13 - Joseph Priestley, chemist (died 1804)
• March 17 - Carsten Niebuhr, Danish map-maker, surveyor, and traveller (died 1815)
• May 4 - Jean-Charles de Borda, French mathematician, physicist, political scientist, and sailor (died 1799)
• Alexander Monro , Scottish anatomist (died 1817)
• Kaspar Friedrich Wolff , German surgeon and physiologist (died 1794)

Deaths