Western Army

The Western Army refers the alliance who sought to defend the Toyotomi reign after Hideyoshi's death. Officers under this faction are Mitsunari Ishida's friends or Toyotomi loyalists. Two main divisions are the Sanada loyalist and the Uesugi troops. These generals either participated in the decisive battle at Sekigahara or were sent to suppress the defend Ueda Castle or Hasedo.

Commander

 * Mitsunari Ishida

Major Generals

 * Sakon Shima
 * Yoshihiro Shimazu
 * Ginchiyo Tachibana *
 * Musashi Miyamoto *
 * Motochika Chosokabe *

Vassals

 * Toyohisa Shimazu
 * Yoshitsugu Otani
 * Hideie Ukita
 * Yukinaga Konishi
 * Hideaki Kobayakawa
 * Hidemoto Mori
 * Hiroie Kikkawa
 * Ekei Ankokuji
 * Teruzumi Akashi
 * Satoie Gamo
 * Suketada Ogawa
 * Yasuharu Wakisaka
 * Morichika Chosokabe
 * Masaie Natsuka
 * Shigemasa Toda
 * Tamehiro Hitatsuka

Commander

 * Masayuki Sanada

Vassals

 * Yukimura Sanada
 * Genba Karasawa
 * Mino Kaneko
 * Yorisada Yazawa
 * Zushonosuke Yumoto
 * Bitchu Kozuki
 * Yukishige Yokotani

Commander

 * Kanetsugu Naoe

Vassals

 * Keiji Maeda
 * Chikanori Suibara
 * Yoshihide Shida
 * Mototada Kasuga

* Note: This list includes people who were present in Samurai Warriors 2 and its expansion.