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Sanada Awanokami Masayuki | |
|---|---|
| 真田 安房守 昌幸 | |
 Sanada Masayuki | |
| Head of Sanada clan | |
| In office 1575–1600 | |
| Preceded by | Sanada Nobutsuna |
| Succeeded by | Sanada Nobuyuki |
| Personal details | |
| Born | 1547 |
| Died | June 13, 1611 (aged 63–64) Kudoyama |
| Spouse | Yamanote-dono |
| Children | Muramatsu-dono Sanada Nobuyuki Sanada Yukimura Kikuhime (b.1580) |
| Parent |
|
| Relatives | Sanada Nobutsuna (brother) Sanada Masateru (brother) Komatsuhime (daughter-in-law) Chikurin-in (daughter-in-law) Seiin-in (niece and daughter-in-law) |
| Military service | |
| Allegiance |  Takeda clan Oda clan Later Hōjō clan Tokugawa clan Uesugi clan Toyotomi clan Western Army |
| Unit |  Sanada clan |
| Battles/wars | Siege of Odawara (1569) Battle of Mimasetoge (1569) Battle of Mikatagahara (1573) Battle of Nagashino (1575) Battle of Kamigawa (1585) Siege of Matsuida (1590) Siege of Ueda (1600) |
Sanada Masayuki (真田 安房守 昌幸, 1547 – July 13, 1611) was a Japanese Sengoku period lord and daimyō. He was the head of Sanada clan, a regional house of Shinano Province, which became a vassal of the Takeda clan of Kai Province. Along with his father and brothers, Masayuki served the Takeda clan during its heyday, when it was led by Takeda Shingen. After its downfall, Masayuki took the lead of his clan and, despite little power, he managed to establish himself as an independent daimyō under the Toyotomi regime through skillful political maneuvers amidst the powerful Tokugawa, Hojō and Uesugi clans.
Known for having defeated the powerful Tokugawa army in the Battle of Kami river and Siege of Ueda, Masayuki is now considered one of the greatest military strategists of his era. In recent times, a number of portrayals in novels, films and other forms of media have contributed to his increased popularity.