تائجونگ چوسان (به کرهای: 태종) (زاده ۱۸ مه ۱۳۶۷ - درگذشته ۱۰ مه ۱۴۲۲) سومین پادشاه سلسله چوسان بودهاست.
وی پنجمین فرزند تائجو چوسان بنیانگذار دودمان چوسان بوده که در سال ۱۴۰۰ میلادی به دلیل اختلافنظر با برادرش جئونگجونگ چوسان پس از استعفا وی به سلطنت رسیده است، اما در سال ۱۴۱۸ میلادی از قدرت کنارهگیری کرده و سلطنت به پسرش سجونگ کبیر رسید.
↑Second daughter of Min Je (민제, 1339–1408), Internal Prince Yeoheung (여흥부원군), Lord Munha, Second State Councillor (문하좌정승), Duke Mundo (문도공); and Lady Song (송씨), Lady Samhanguk, Princess Consort to the Internal Prince (삼한국대부인).
↑1st son born and to had lived past the traditional 100 days.
↑Later married Yi Baek-gang (이백강), Duke Jeongjeol (정절공), created Internal Prince Consort Cheongpyeong (청평부원군); second son of Yi Geo-yi (이거이), Internal Prince Seowon (서원부원군), Duke Mundo (문도공).
↑Her other titles include "Lady/Princess of Pyeongyang" (평양군궁주), "Lady/Princess Gyeongjeong" (경정궁주), and "Princess Jeonggyeong" (정경공주).
↑Later married Jo Dae-rim (조대림), Duke Kangan (강안공), created Internal Prince Consort Pyeongyang (평양부원군); son of Jo Jun (조준), Chief State Councillor (영의정부사).
↑Later married Kwon Gyu (권규, 1393-1421), created Prince Consort Gilchang (길창군); second son of Kwon Geun (권근, 1352-1409), Internal Prince Gilchang (길창부원군). His nephew (through his eldest brother Kwon Je (권제)) is Kwon Ram, one of Sejo's supporters who lead the 1453 coup that dethroned Sejo's nephew Danjong of Joseon and helped enthrone Sejo himself.
↑Later married Nam Hwi (남휘), Duke Sogan (소간공), created Prince Consort Uisan (의산군); son of Nam Gyeong-mun (남경문).
↑Formerly known by her title "Lady Hyosun" (효순궁주), she was raised to bin (嬪) status during Gojong's reign.
↑Originally one of Queen Wongyeong's female servants back at her old household.
↑Daughter of No Goo-san (노구산), Lord Miljik, Scholar of the Office of Special Advisors (밀직제학); and Lady Choi (최씨), whose father Choi Ryeom (최렴) is the Lord Geomgyo, Third State Councillor (검교의정부우의정).
↑Also known by her title "Lady Sohye" (소혜궁주), granted in November 20, 1411.
↑Later married Yi Jeong-nyeong (이정녕), Duke Jangjeol (장절공), created Military Officer Seongwon (성원위); son of Yi Sa-hu (이사후) and grandson of Yi Jik (이직), Internal Prince Seongsan (성산부원군).
↑Later married Hwang Yoo (황유), Duke Yangdo (양도공), created Military Officer Hwoecheon (회천위); son of Hwang Ja-hu (황자후).
↑Park Yeong-gyu's book (조선의 왕실과 외척) claims his real son is Prince Hyeryeong, not Prince Geunnyeong; but "Seonwon Gyebo Giryak (선원계보기략)" states that his real mother is another Lady Ahn, as Taejong had a son and three daughters by another Lady Ahn (Royal Concubine Seon).
↑Sources claim his mother is Royal Councubine Shin, but sources "Seonwon-rok (선원록)" & "Seonwon Gyebo Giryak (선원계보기략)" indicate his real mother is Royal Concubine Jeong, since she died in 1426 and the other claimant died 9 years later.
↑Later married Yoon Pyeong (윤평), created Military Officer Pawon (파원위); son of Yoon Chang (윤창).