Emperor Juntoku (順徳天皇, Juntoku-tennō) (22 October 1197 – 7 October 1242) of the Jōgen (Kamakura period) was the 84th emperor of Japan, according to the traditional order of succession. His reign spanned the years from 1210 through 1221, a part of Japan's Kamakura Period.
Before his ascension to the Chrysanthemum Throne, his personal name (his imina) was Morinari-shinnō (守成親王).
He was the third son of Emperor Go-Toba. His mother was Shigeko (重子), the daughter of Fujiwara Hanki (藤原範季)
Empress (chūgū): Kujō Fujiwara no Ritsushi (?) (九条（藤原）立子) later Higashiichijō-in (東一条院), Kujo Yoshitsune's daughter
Second daughter: Imperial Princess Taiko (諦子内親王; 1217–1243) later Gekgimon'in (明義門院)
Third son: Imperial Prince Kanenari (懐成親王) later Emperor Chūkyō
Lady-in-waiting: Toku-Naishi (督典侍), Fujiwara Norimitsu's Daughter
Fourth son: Prince Hikonari (彦成王; 1219–1286)
Sixth son: Imperial Prince Yoshimune (善統親王; 1233–1317)
Consort: Fujiwara Noriko (藤原位子), Bomon Nobukiyo's daughter
First Daughter: Imperial Princess Jōko (穠子内親王; 1216-1279）later Eianmon'in（永安門院)
Consort: Fujiwara Kiyotaka's Daughter
First Son: Imperial Prince Priest Sonkaku (尊覚法親王; 1215–1264)
Second Son: Imperial Prince Priest Kaku'e (覚恵法親王; b.1217)
Fifth son: Prince Iwakura no Miya Tadanari (岩倉宮忠成王; 1222–1279)
Consort: Saishō-no-Tsubone (宰相局), Priest's daughter
Daughter: Princess Yoshiko (慶子女王; 1225-1286）
Daughter: Princess Tadako (忠子女王; 1232-1249）