The 2017–18 United Arab Emirates Tri-Nation Series was a cricket tournament that took place in January 2018 in the United Arab Emirates. It was a tri-nation series between Ireland, Scotland and the United Arab Emirates, with all the matches played as One Day Internationals (ODIs). The matches were in preparation for the 2018 Cricket World Cup Qualifier, which was held in Zimbabwe in March 2018. Ireland won the series after winning all four of their matches, finishing with a 24-run victory against Scotland. Scotland and the United Arab Emirates won one match each, both finishing with two points, with Scotland finishing in second place on net run rate.