1548

Births 
 Giordano Bruno (d. 17 February 1600), Italian philosopher, priest, mathematician, and astronomer
 8 July – Kim Jang-saeng (d. 3 August 1631), Korean scholar, politician, and educator

Deaths
 January 23 – Bernardo Pisano, Italian composer (b. 1490)
 February 26 – Lorenzino de' Medici, writer and assassin (b. 1514)
 March 23 – Itagaki Nobukata, Japanese retainer
 March 24 – Gissur Einarsson, first Lutheran bishop in Iceland
 April 1 – King Sigismund I the Old of Poland (b. 1467)
 May 30 – Juan Diego Cuauhtlatoatzin, Mexican Catholic saint (b. 1474)
 June 3 – Juan de Zumárraga, Spanish Catholic bishop of Mexico (b. 1468)
 June 6 – João de Castro, Portuguese explorer (b. 1500)
 June 14 – Carpentras, French composer (b. c. 1470)
 September 8 – Catherine Parr, Sixth and last Queen of Henry VIII of England (b. c. 1512)
 October 27 – Johannes Dantiscus, Polish poet and Bishop of Warmia (b. 1485)
 December 27 – Francesco Spiera, Italian Protestant jurist (b. 1502)