1613 in science

	… 1603; 1604; 1605; 1606; 1607; 1608; 1609; ; 1610; 1611; 1612; 1613; 1614; 1615; 1616; ; 1617; 1618; 1619; 1620; 1621; 1622; 1623 …;
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The year 1613 in science and technology involved some significant events.

Astronomy

Galileo Galilei publishes Letters on Sunspots, the first major work on the topic.

Bones, probably of an elephant, are found in France but at first interpreted to belong to a giant human.

September 29 – The New River (engineered by Sir Hugh Myddelton) is opened to supply London with drinking water from Hertfordshire.^[1]