The year 1826 in science and technology included many events, some of which are listed here.

Chemistry

• Antoine Jerome Balard isolates bromine

Technology

• April 1 -Samuel Morey patents the internal combustion engine
• Nicéphore Niépce produces the first photograph

Zoology

• The Zoological Society of London is founded by Sir Thomas Stamford Raffles

Awards

• Copley Medal: James South

Births

• July 13 - Stanislao Cannizzaro (d. 1910), chemist.
• September 17 - Bernhard Riemann (d. 1866), mathematician.

Deaths

• June 7 - Joseph von Fraunhofer (b. 1787), physicist.
• July 22 - Giuseppe Piazzi (b. 1746), astronomer.
• November 23 - Johann Elert Bode (b. 1747), astronomer.