The year 1575 in science and technology included a number of events, some of which are listed here.
- Cornelius Gemma is credited with publishing the first scientific illustration of the aurora, in his discussion of the 1572 supernova.
- December 16 – Valdivia earthquake in Chile.
- Guilielmus Xylander uses parallel vertical lines to indicate equality.
- First publication of Ambroise Paré's collected works, Les oeuvres de M. Ambroise Paré, in Paris, including some of the earliest descriptions of forensic medicine.
- Cornelius Gemma publishes De naturae divinis characterismis in Antwerp.
- Tomás de Mercado, Spanish economist and theologian (born 1525)
- Costanzo Varolio, Italian anatomist and a papal physician to Gregory XIII (born 1543)
- ^ University of Oklahoma Libraries, History of Science Collections, Recent Acquisitions, "The First Book Printed on Tycho Brahe's Printing Press at Uraniborg: Diarium, 1586," The Lynx 2 (November 2005), p. 9 online Archived 2010-07-20 at the Wayback Machine with Gemma's illustration.
- ^ "Cornelius Gemma: Cosmology, Medicine and Natural Philosophy in Renaissance Louvain conference proceedings". Archived from the original on 2011-10-06. Retrieved 2011-06-02.