The year 1631 in science and technology included many events, some of which are listed

See also: 1630 in science, other events of 1631, 1632 in science, list of years in science.

Births

• Richard Lower, English physician and physiologist who performed the first direct transfusion of blood (died 1691)

Deaths

• Michael Maestlin , German astronomer and mathematician (born 1550)