Year 1617 (MDCXVII) was a common year starting on Sunday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Wednesday of the 10-day slower Julian calendar).

Events of 1617

January - June

• February 27 - The Treaty of Stolbovo ends the Ingrian War between Sweden and Russia. Sweden gains Ingermanland and Karelia.
• April 14 - Second Battle of Playa Honda: The Spanish navy defeats the Dutch in the Philippines.

July - December

• September 1 - Weighing ceremony of Jahangir. Described by English ambassador to the Mughal court Sir Thomas Roe.
• October 9 - The Treaty of Pavia is signed between Spain and Savoy, under which Savoy returns Monferrato to Mantua.
• November 17 - A naval battle between the Sicilians and Venetians ends inconclusively.

Undated

• Mustafa I (1617-1623) succeeds Ahmed I (1603-1617) as Ottoman Emperor.
• Francesco Andreini's The Penitent Magdalene is published.
• Ferdinand II, Holy Roman Emperor closes some Protestant churches.

Births

• January 6 - Kristoffer Gabel, Danish statesman (d. 1673)
• May 23 - Elias Ashmole, English antiquarian (d. 1692)
• October 5 - Dorothy Spencer, Countess of Sunderland
• November 19 - Eustache Le Sueur, French painter (d. 1655)
• December - Gerard ter Borch, Dutch painter (d. 1681)
• December 22 - Charles I Louis, Elector Palatine
• date unknown
  • Paolo Casati, mathematician
  • Lozang Gyatso, 5th Dalai Lama

Deaths

• January 1 - Hendrik Goltzius, Dutch painter (b. 1558)
• January 17 - Faust Vran„i“, Croatian inventor (b. 1551)
• February 6 - Prospero Alpini, Italian physician and botanist (b. 1553)
• March 21 - Pocahontas, Algonquian Indian princess (b. c. 1595)
• April 4 - John Napier, Scottish mathematician (b. 1550)
• April 5 - Alonso Lobo, Spanish composer (b. 1555)
• May 7 - David Fabricius, Frisian astronomer (b. 1564)
• August 13 - Johann Jakob Grynaeus, Swiss Protestant clergyman (b. 1540)
• August 30 - Rose of Lima, Peruvian saint (b. 1586)
• September 25 - Emperor Go-Yozei of Japan (b. 1572)
• October 27 - Ralph Winwood, English politician (b. c. 1563)
• November 10 - Barnabe Rich, English soldier and writer (b. c. 1540)
• November 22 - Ahmed I, Ottoman Emperor (b. 1590)