| Lê Hy Tông 黎熙宗 | |
| Emperor of Đại Việt | |
| Full Name: | Lê Duy Cáp (黎維祫) |
| Succession: | Emperor of Revival Lê dynasty |
| Reign: | 1675–1705 |
| Succession1: | Retired Emperor of Revival Lê dynasty |
| Reign1: | 1705–1716 |
| Father: | Lê Thần Tông |
| Mother: | Nguyễn Thị Ngọc Tấn |
| Predecessor: | Lê Gia Tông |
| Successor: | Lê Dụ Tông |
| House: | House of Lê |
| Era Name: | Vĩnh Trị (永治): 1676–1680 Chính Hòa (正和) |
| Era Dates: | 1680–1705 |
| Temple Name: | Hy Tông (熙宗) |
| Posthumous Name: | Chương Hoàng đế (章皇帝) |
| Birth Date: | 22 April 1663 |
| Birth Place: | Đông Kinh, Đại Việt |
| Death Date: | 4 June 1716 |
| Death Place: | Đông Kinh, Đại Việt |
| Place Of Burial: | Phú Ninh Tomb (富寧陵) |
Lê Hy Tông (黎熙宗, 22 April 1663 – 4 June 1716) was the 21st emperor of Vietnamese Later Lê dynasty.[1]
Lê Hy Tông's birth name is Lê Duy Hạp[2] (黎維祫), courtesy name Duy Thịnh[3] (維). He was born in 1663 and reigned from 1675 to 1705 as emperor, then he was succeeded by his son as Emperor and reigned in 1705–1716 as the Retired Emperor.[4] He was the figurehead king under the power of lord Trịnh Căn who ruled in 1682–1709.[5]
His reign was said to be the prosper period in the Revival Lê dynasty.[6]
He had issue, including two sons : Lê Duy Đường and Lê Duy Chúc.