Jacobus is a masculine first name, which is a variant of Jacob, Jack and James. The name may refer to:

First name

• Jacobus Arminius (1560–1609), Dutch theologian
• Jacobus de Baen (1673–1700), Dutch portrait painter
• Jacobus Barbireau (1455–1491), Flemish composer
• Jacobus Barnaart (1726–1780), Dutch merchant
• Jacobus Bartschius (c.1600–1633), German astronomer
• Jacobus Bellamy (1757–1786), Dutch poet
• Jacobus Franciscus Benders (1924–2017), Dutch mathematician
• Jacobus Bisschop (1658–1697), Dutch painter
• Jacobus Cornelis Bloem (1825–1902), Dutch Minister of Finance
• Jacobus Bontius (1592–1631), Dutch physician
• Jacobus Boomsma (born 1951), Dutch evolutionary biologist
• Jacobus Boonen (1573–1655), Flemish Archbishop
• Jacobus Nicolaas Boshoff (1808–1881), South African politician
• Jacobus Buys (1724–1801), Dutch painter
• Jacobus Capitein (c.1717–1747), Dutch Christian minister of Ghanaian birth
• Jacobus a Castro (1560–1639), Dutch bishop
• Jacobus de Cessolis (c.1250–c.1322), Italian chess author
• Jacobus Petrus Duminy (1897–1980), South African academic
• Jacobus Josephus Eeckhout (1793–1861), Flemish painter
• Jacobus van Egmond (1908–1969), Dutch cyclist
• Jacobus Johannes Fouché (1898–1980), South African politician and president
• Jacobus Cornelis Gaal (1796–1866), Dutch painter
• Jacobus Golius (1596–1667), Dutch mathematician
• Jacobus Arnoldus Graaff (1863–1927), South African politician
• Jacobus Henricus van 't Hoff (1852–1911), Dutch physical chemist and Nobel Laureate
• Jacobus Kaper (born 1931), biochemist and virologist
• Jacobus Kapteyn (1851–1922), Dutch astronomer
• Jacobus de Kerle (1531–1591), Flemish composer and organist
• Jacobus Kloppers (born 1937), Canadian composer
• Jacobus Hendricus van Lint (1932–2004), Dutch mathematician and university president
• Jacobus van Looy (1855–1930), Dutch painter and writer
• Jacobus Mancadan (1602–1680), Dutch painter
• Jacobus Anthonie Meessen (1836–1885), Dutch photographer
• Jacobus van Meteren (1519–c.1555), Dutch printer; printed first English-language Bible in Antwerp
• Jacobus Oud (1890–1963), Dutch architect
• Jacobus Hendrik Pierneef (1886–1957), South African landscape artist
• Jacobus Ferdinandus Saey (1658–1726), Flemish painter
• Jacobus Wilhelmus Sauer (1850–1913), South African politician
• Jacobus Spoors (1751–1833), Dutch politician
• Jacobus Gideon Nel Strauss (1900–1990), South African politician
• Jacobus Swartwout (1734–1827), American general and politician
• Jacobus de la Torre (1608–1661), Dutch Archbishop
• Jacobus Van Cortlandt (1658–1739), American mayor
• Jacobus van der Merwe (born 1937), South African politician
• Jacobus van der Vecht (1906–1992), Dutch entomologist
• Jacobus de Voragine (c.1230–1298), Italian chronicler and archbishop of Genoa
• Jacobus Johannes Venter (1814–1889), South African politician
• Jacobus Verhoeff (1927–2018), Dutch mathematician
• Jacobus Verster (1919–1981), South African general
• Jacobus van de Water (1643–1712), Dutch mayor of New Amsterdam
• Jacobus, pseudonym of Jacques Alphonse Doucet of Radio Radio

Surname

• Donald Lines Jacobus (1887–1970), American genealogist
• Melancthon Williams Jacobus Sr.
• Melancthon Williams Jacobus Jr.
• Marc Jacobus (born 1951), American bridge player
• Preston Jacobus (1864–1911), American businessman and politician
• Russell Jacobus (1944–2023), American bishop
• Tim Jacobus (born 1959), American artist

See also

• Jacob (name)

Name list

This page or section lists people that share the same given name.
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