Jans is a Dutch patronymic surname equivalent to Johnson. It is a less common form than the abundant Jansen, Janssen and Janssens. People with the name Jans include:
Anneke Jans (1509–1539), Dutch anabaptist executed for heresy
fr:Carlijn Jans (born 1987), Dutch volleyball player
de:Jan Jans (born 1954), Dutch theologian
Klaudia Jans-Ignacik (born 1984), Polish tennis player
Laurent Jans (born 1992), Luxembourgian footballer
Lies Jans (born 1974), Belgian politician
Lucretia Jans (1602 – after 1641), Dutch survivor of the Batavia shipwreck
Melanie Jans (born 1973), Canadian squash player
Paul Jans (born 1981), Dutch footballer
Ron Jans (born 1958), Dutch football player and manager
Tom Jans (1948–1984), American folk musician
Wendy Jans (born 1983), Belgian snooker and pool player