| 56624 | May.17 | Birth | 1998 – Mio Tomonaga, Japanese singer (HKT48 and AKB48) |
| 56625 | May.17 | Death | 290 – Emperor Wu of Jin, Chinese emperor (b. 236) |
| 56626 | May.17 | Death | 1336 – Emperor Go-Fushimi of Japan (b. 1288) |
| 56627 | May.17 | Death | 1365 – Louis II, Elector of Brandenburg (b. 1328) |
| 56628 | May.17 | Death | 1395 – Constantine Dragaš, Serbian ruler (b. 1355) |
| 56629 | May.17 | Death | 1464 – Thomas de Ros, 9th Baron de Ros, English politician (b. 1427) |
| 56630 | May.17 | Death | 1510 – Sandro Botticelli, Italian painter (b. 1445) |
| 56631 | May.17 | Death | 1521 – Edward Stafford, 3rd Duke of Buckingham, Welsh politician, Lord High Constable of England (b. 1478) |
| 56632 | May.17 | Death | 1536 – George Boleyn, 2nd Viscount Rochford, English courtier and diplomat, Lord Warden of the Cinque Ports (b. 1504) |
| 56633 | May.17 | Death | 1536 – William Brereton, English courtier (b. 1487) |
| 56634 | May.17 | Death | 1536 – Henry Norris, English courtier (b. 1482) |
| 56635 | May.17 | Death | 1536 – Mark Smeaton, English lute player and dancer (b. 1512) |
| 56636 | May.17 | Death | 1536 – Francis Weston, English courtier (b. 1511) |
| 56637 | May.17 | Death | 1551 – Shin Saimdang, South Korean poet and calligraphist (b. 1504) |
| 56638 | May.17 | Death | 1575 – Matthew Parker, English archbishop and academic (b. 1504) |
| 56639 | May.17 | Death | 1626 – Joan Pau Pujol, Catalan organist and composer (b. 1570) |
| 56640 | May.17 | Death | 1643 – Giovanni Picchi, Italian organist and composer (b. 1571) |
| 56611 | May.17 | Birth | 1988 – Jennison Myrie-Williams, English footballer |
| 56612 | May.17 | Birth | 1989 – Rain Raadik, Estonian basketball player |
| 56613 | May.17 | Birth | 1989 – Tessa Virtue, Canadian ice dancer |
| 56614 | May.17 | Birth | 1990 – Fabian Giefer, German footballer |
| 56615 | May.17 | Birth | 1990 – Kree Harrison, American singer |
| 56616 | May.17 | Birth | 1990 – Katrina Hart, English runner |
| 56617 | May.17 | Birth | 1990 – Guido Pella, Argentinian tennis player |
| 56618 | May.17 | Birth | 1990 – Leven Rambin, American actress |
| 56619 | May.17 | Birth | 1991 – Johanna Konta, Australian-English tennis player |
| 56620 | May.17 | Birth | 1991 – Daniel Curtis Lee, American actor and rapper |
| 56621 | May.17 | Birth | 1991 – Adil Omar, Pakistani rapper, producer, and actor |
| 56622 | May.17 | Birth | 1994 – Julie Anne San Jose, Filipino singer and actress (Sugarpop) |
| 56623 | May.17 | Birth | 1996 – Ryan Ochoa, American actor |