Janssens is a Dutch surname equivalent to Johnson. It is the second most common surname in Belgium, [1] while in the Netherlands the forms Jansen and Janssen are more common. People with this surname include:
- Abraham Janssens (c. 1573 – 1632), Flemish painter
- A. Cecile J.W. Janssens (born 1968), Dutch epidemiologist
- Cas Janssens (born 1944), Dutch footballer
- Charles Janssens (1906–1986), Belgian film actor
- Chris Janssens (born 1969), Belgian footballer
- Christophe Janssens (born 1998), Belgian footballer
- Émile Janssens (1902–1989), Belgian general and commander of the Force Publique
- Corneille Janssens (1585–1638), Flemish bishop and founder of Jansenism
- Cornelis Janssens van Ceulen (1593–1661), Dutch portrait painter
- Francis Janssens (1843–1897), Dutch-born Archbishop of New Orleans.
- Franciscus Janssens, General Abbot.
- Frans Janssens (born 1945), Belgian footballer
- Frans Alfons Janssens, (1865–1924), Belgian biologist who first described chromosomal crossover
- Hieronymus Janssens, Flemish painter from the Baroque
- Jan Janssens (August 1590-after 1650), Flemish Baroque painter
- Jan Willem Janssens (1762–1838), Dutch soldier and statesman
- Jean Janssens (fl. 1920), Belgian racing cyclist
- Jean Janssens (born 1944), Belgian footballer
- Jean-Baptiste Janssens (1889–1964), twenty-seventh Superior General of the Society of Jesus
- Johann Hermann Janssens (1783–1853), Belgian theologian
- Kevin Janssens (disambiguation), several people
- Ko Janssens (1889–1970), Dutch boxer
- Marcel Janssens (1931–1992), Belgian road bicycle racer
- Mark Janssens (born 1968), Canadian ice hockey forward
- Mathias Janssens (born 1998), Belgian footballer
- Patrick Janssens (born 1956), Belgian politician
- Victor Honoré Janssens (1658–1736), Flemish painter
See also
- Jansen (surname)
- Janssen (disambiguation)