The 2018 Regional Women's Twenty20 Championship was the fourth season of the women's Twenty20 cricket competition played in the West Indies. It took place in June 2018, with six teams participating, mainly in Kingston. Barbados won the tournament, claiming their first T20 title.
The tournament was followed by the 2018 Women's Regional Super50.
Teams played in a round-robin in a group of six, therefore playing 5 matches overall. Matches were played using a Twenty20 format. The top team in the group were crowned the Champions.
The group worked on a points system with positions being based on the total points. Points were awarded as follows:
Win: 3 points<br /> Loss: 0 points.<br /> Abandoned/No Result: 2 points.
<small>Source: CricketArchive</small>
<small>Source: CricketArchive</small>