The 28-year-old previously spent time in England with Notts County, and has played for St Mirren and Ross County.
He will officially join the Stags on 1 January, subject to international clearance, and is Steve Evans' first signing for the League Two club.
"We are working hard to add to the quality we have and this lad will give us that initial quality," said Evans.
Mansfield have not disclosed the length of Arquin's deal.
Mansfield Town have signed striker Yoann Arquin after the Frenchman left Swedish side Syrianska.