2017–18 India women's Tri-Nation Series

The 2017–18 India women's Tri-Nation Series was a cricket tournament that took place in India in March 2018. It was a tri-nation series between Australia women, England women and the India women cricket teams. The matches were played as Women's Twenty20 International (WT20I) fixtures, with the top two teams progressing to the final on 31 March 2018. Ahead of the WT20I fixtures, India A played two warm-up fixtures against England.

In the third match of the series, England's Jenny Gunn became the first player, male or female, to play in 100 Twenty20 International matches. In the fifth match, Australia's Meg Lanning became the first player for Australia, male or female, to score 2,000 runs in Twenty20 Internationals.

Australia Women and England Women qualified for the final, after India Women lost their first three matches of the series. In the final, Australia Women beat England Women by 57 runs to win the series. In the match, Australia Women scored 209 runs, the highest team total in a WT20I fixture. Australia Women also set a new record for the most fours scored in a Twenty20 International by any side, male or female, with 32 boundaries.

With nine wickets at an average of 12.33, the series leading wicket taker, Australian Megan Schutt, was named player of the series.