James Buchanan, Jr (1791 nî 4 goe̍h 23 ji̍t – 1868 nî 6 goe̍h 1 ji̍t) sī Bí-kok tē-15-ê chóng-thóng, jīm-kî sī tē-18-kài, 1857 nî 3 goe̍h 4 ji̍t chiūⁿ-jīm, 1861 nî 3 goe̍h 4 ji̍t sià-jīm.

James Buchanan
Tē 15 jīm Bí-kok chóng-thóng
Jīm-kî
1857 nî 3 goe̍h 4 ji̍t – 1861 nî 3 goe̍h 4 ji̍t
Hù chóng-thóng John C. Breckinridge
Chêng-jīm Franklin Pierce
Kè-jīm Abraham Lincoln
Kò-jîn chu-sìn
Chhut-sì 1791 nî 4 goe̍h 23 ji̍t(1791-04-23)
 Bí-kok Pennsylvania Cove Gap
Kòe-sin 1868 nî 6 goe̍h 1 ji̍t (77 hòe)
 Bí-kok Pennsylvania Lancaster
Chèng-tóng Liân-pang Tóng (1814–1824)
Bîn-chú Kiōng-hô Tóng (1824–1828)
Bîn-chú Tóng (1828–1868)
Chhiam-miâ