The 2018 CFU Women's Challenge Series was a football competition in the Caribbean region, held amongst the women's national teams whose football associations are affiliated with the Caribbean Football Union (CFU), a sub-confederation of CONCACAF.
The 20 teams are divided into five groups of four. In each group, teams play each other once at a centralised venue. Medals are awarded to each group winner and runner-up.
^Admin, CFU Web (19 March 2018). "CFU launches Womens Challenge Series 2018 | Caribbean Cup". www.cfufootball.org. Archived from the original on 11 April 2018. Retrieved 22 March 2018.
^Admin, CFU Web (6 April 2018). "CFU Womens Challenge Series 2018 gets the ball rolling on recommitment to female players". www.cfufootball.org.
^"Jamaica steps up preparation for CFU Women's Challenge Series". CONCACAF.com. 11 April 2018.
^"Challenge CFU Féminin: Haïti – Îles Vierges en double confrontation". Haiti Tempo. 18 April 2018.