Albertus is a given name. Notable people with the name include:

Latinized names

• Aldberht or Albertus (died between 781 and 786), Bishop of Hereford
• Albertus Parisiensis (died 1177), French cantor and composer
• Albertus de Pisa (died 1240), Italian Franciscan friar
• Albertus Stadensis (c.1187–c.1265), German Benedictine chronicler
• Albertus Magnus (circa 1200–1280), German Dominican friar and bishop
• Albertus de Saxonia (c.1320–1390), German philosopher
• Albertus Pictor (c.1440-c.1507), Swedish painter
• Albertus de Brudzewo (c.1445–c.1497), Polish astronomer, mathematician, philosopher and diplomat

Birth names

• Albertus Boom (born 1938), Dutch cyclist
• Albertus Jonas Brandt (1787–1821), Dutch still-life painter
• Albertus Theodore Briggs (1862–1937), American Methodist minister
• Albertus Brondgeest (1786–1849), Dutch art trader, drawer and landscape painter
• Albertus Bryne (circa 1621–1668), English organist and composer
• Albertus Carpentier Alting (born 1954), Netherlands Antilles luger and bobsledder
• Albertus W. Catlin (1868–1933), US Marine Corps brigadier general and Medal of Honor recipient
• Albertus Clouwet (1636–1679), Flemish engraver
• Albertus Jacobus Duymaer van Twist (1809–1887), Governor-General of the Dutch East Indies
• Albertus Eckhoff (1875–1949), New Zealand cricketer
• Albertus Geldermans (born 1935), Dutch racing cyclist
• Albertus Klijn (1923–2012), Dutch biblical scholar
• Albertus Morton (c.1584–1625), English diplomat and Secretary of State
• Albertus van Naamen van Eemnes (1828–1902), Dutch politician and lawyer
• Albertus Antonie Nijland (1868–1936), Dutch astronomer
• Albertus Perk (1887–1919), Dutch fencer
• Albertus van Raalte (1811–1876), Dutch-born pastor of the Reformed Church of America
• Albertus John Rooks (1869–1958), American college president
• Albertus Seba (1665–1736), Dutch pharmacist, zoologist and collector
• Albertus Willem Sijthoff (1829–1913), prominent Dutch publisher
• Albertus Soegijapranata (1896–1963), first Indonesian native Roman Catholic archbishop
• Albertus Susanto Njoto (born 1976), Hong Kong badminton player
• Albertus Swanepoel (born 1959), South African fashion designer
• Albertus Van Loon, Dutch settler and owner of the Albertus Van Loon House
• Albertus Wielsma (1883–1968), Dutch rower
• Albertus Henricus Wiese (1761–1810), Governor-General of the Dutch East Indies