# Jacobus (name)

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