| Asano Nagaakira | |
| Nationality: | Japanese |
| Order: | Lord of Ashimori |
| Term Start: | 1610 |
| Term End: | 1613 |
| Predecessor: | Kinoshita Katsutoshi |
| Successor: | Kinoshita Toshifusa |
| Order2: | Lord of Wakayama |
| Term Start2: | 1613 |
| Term End2: | 1619 |
| Predecessor2: | Asano Yoshinaga |
| Successor2: | Tokugawa Yorinobu |
| Order3: | Lord of Hiroshima |
| Term Start3: | 1619 |
| Term End3: | 1632 |
| Predecessor3: | Fukushima Masanori |
| Successor3: | Asano Mitsuakira |
| Birth Date: | 1586 |
| Death Date: | 1632 |
| Spouse: | Furihime |
was a Japanese samurai of the early Edo period who served as daimyō of Wakayama Domain, and was later transferred to the Hiroshima Domain.[1]
Born Asano Iwamatsu, he was the son of Asano Nagamasa, who was a senior retainer of Toyotomi Hideyoshi. In 1594, Nagaakira was made a retainer of Toyotomi Hideyoshi, and awarded a stipend of 3,000 koku. Allying his forces to Tokugawa Ieyasu six years later at the Battle of Sekigahara, he was subsequently awarded with the 24,000 koku Ashimori Domain. As his brother Yukinaga died heirless in 1613, Nagaakira succeeded him, becoming daimyō of Wakayama Domain.[1] At the Siege of Ōsaka, he commanded a portion of Tokugawa Ieyasu's army. In the summer of 1615, Toyotomi Hideyori's Western Army moved to attack Asano's castle at Wakayama. Though most of Asano's forces were at Ōsaka, besieging Toyotomi's fortress, the remaining garrison outnumbered the Western warriors, and Asano led his men in sallying forth to meet the enemy in the Battle of Kashii.[2]
Asano also fought in the Battle of Tennōji, the decisive final battle in the Siege of Ōsaka, where he commanded Tokugawa's rear guard. In 1619, he was granted the lordship of Hiroshima Domain in Aki Province, which would be the home of the Asano family until the Meiji Restoration.[3] Nagaakira was married to Furihime, the widow of Gamō Hideyuki and third daughter of Tokugawa Ieyasu.[3]
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