Namesakes
Belgian Prime Ministers:
1 prime minister
Jean-Baptiste Nothomb 1841-1845 
French Presidents and Prime Ministers:
3 prime ministers
(prime minister) Jean-Baptiste de Villèle 1821-1828
(prime minister) Jean Baptiste Gay, vicomte de Martignac 1828-1829
(prime minister) Robert Schuman (a.k.a. Baptiste) 1947-1948; 1948
Haitian Presidents:
1 president
(president) Jean-Baptiste Riché 1846-1847
Hall-of-Famers:
1 ice hockey
(ice hockey) Jack Laviolette (a.k.a. Baptiste) 1962
Nobel Prize Winners:
1 physics
(physics) Jean Baptiste Perrin 1926
Norwegian Kings and Queens:
1 king
King Karl III Johan (a.k.a. Baptiste) 1818-1844
Notable Artists:
1 painter
Jean-Baptiste-Camille Corot 1796-1875
Notable Athletes:
1 ice hockey
(ice hockey) Jack Laviolette (a.k.a. Baptiste) 1879-1960
Notable Musicians:
1 composer
Jean-Baptiste Lully 1632-1687
Notable Scientists and Inventors:
1 biologist, 1 physicist
Jean-Baptiste Lamarck 1744-1829
Jean Baptiste Perrin 1870-1942
Notable Writers:
1 playwright
Jean Baptiste Poquelin "Molière" 1622-1673
Olympic Medalists:
1 silver
(silver) Jean Kerebel (a.k.a. Baptiste) 1948 4x400 m relay
Saints:
2 saints, 1 blessed
Saint Jean-Baptiste de La Salle 1651-1719
Blessed Jean-Baptiste Souzy 1734-1794
Saint Jean-Baptiste-Marie Vianney 1786-1859
Swedish Kings and Queens:
1 king
King Karl XIV Johan (a.k.a. Baptiste) 1818-1844