| 30001 | March 17 | Death | 1620 – John Sarkander, Polish-Moravian priest and saint (b. 1576) |
| 30002 | March 17 | Death | 1640 – Philip Massinger, English playwright (b. 1583) |
| 30003 | March 17 | Death | 1649 – Gabriel Lalemant, French missionary and martyr (b. 1610) |
| 30004 | March 17 | Death | 1680 – François de La Rochefoucauld, French author (b. 1613) |
| 30005 | March 17 | Death | 1704 – Menno van Coehoorn, Dutch soldier and engineer (b. 1641) |
| 30006 | March 17 | Death | 1713 – Juraj Jánošík, Slovak criminal (b. 1688) |
| 30007 | March 17 | Death | 1715 – Gilbert Burnet, Scottish bishop and historian (b. 1643) |
| 30008 | March 17 | Death | 1741 – Jean-Baptiste Rousseau, French poet and playwright (b. 1671) |
| 30009 | March 17 | Death | 1764 – George Parker, 2nd Earl of Macclesfield, English astronomer and politician (b. 1695) |
| 30010 | March 17 | Death | 1782 – Daniel Bernoulli, Dutch-Swiss mathematician and physicist (b. 1700) |
| 30011 | March 17 | Death | 1828 – James Edward Smith, English botanist and founder of the Linnean Society (b. 1759) |
| 30012 | March 17 | Death | 1830 – Laurent de Gouvion Saint-Cyr, French general and politician, French Minister of War (b. 1764) |
| 30013 | March 17 | Death | 1846 – Friedrich Bessel, German mathematician and astronomer (b. 1784) |
| 30014 | March 17 | Death | 1849 – William II of the Netherlands (b. 1792) |
| 30015 | March 17 | Death | 1853 – Christian Doppler, Austrian physicist and mathematician (b. 1803) |
| 30016 | March 17 | Death | 1871 – Robert Chambers, Scottish geologist and publisher, co-founded Chambers Harrap (b. 1802) |
| 30017 | March 17 | Death | 1875 – Ferdinand Laub, Czech violinist and composer (b. 1832) |
| 30018 | March 17 | Death | 1893 – Jules Ferry, French lawyer and politician, 44th Prime Minister of France (b. 1832) |
| 30019 | March 17 | Death | 1917 – Franz Brentano, German philosopher and psychologist (b. 1838) |
| 30020 | March 17 | Death | 1926 – Aleksei Brusilov, Georgian-Russian general (b. 1853) |
| 30021 | March 17 | Death | 1937 – Austen Chamberlain, English politician, Secretary of State for Foreign and Commonwealth Affairs, Nobel Prize laureate (b. 1863) |
| 30022 | March 17 | Death | 1941 – Marguerite Nichols, American actress (b. 1895) |
| 30023 | March 17 | Death | 1946 – Dai Li, Chinese general (b. 1897) |
| 30024 | March 17 | Death | 1946 – William Merz, American gymnast and triathlete (b. 1878) |
| 30025 | March 17 | Death | 1949 – Aleksandra Ekster, Russian-French painter and set designer (b. 1882) |
| 30026 | March 17 | Death | 1956 – Fred Allen, American actor and screenwriter (b. 1894) |
| 30027 | March 17 | Death | 1956 – Irène Joliot-Curie, French physicist and chemist, Nobel Prize laureate (b. 1897) |
| 30028 | March 17 | Death | 1957 – Ramon Magsaysay, Filipino captain and politician, 7th President of the Philippines (b. 1907) |
| 30029 | March 17 | Death | 1958 – John Pius Boland, Irish tennis player and politician (b. 1870) |
| 30030 | March 17 | Death | 1961 – Susanna M. Salter, American politician (b. 1860) |