Anthonij is a given name. Notable people with that name include the following
Anthonij Ewoud Jan Bertling (1860 – 1945), Dutch politician Anthonij Guépin (1897 – 1964), Dutch sailor Anthonij Rudolf Mauve, known as Anton Mauve (1838 – 1888), Dutch realist painter
See also
Anthoni, name Anthonie, given name Anthonio (disambiguation)