Sophie MacMahon (born 29 January 1997) is an Irish cricketer. She made her Women's One Day International cricket (WODI) debut against India in the 2017 South Africa Quadrangular Series on 15 May 2017. She plays in the Women's Super Series for Scorchers. In May 2019, she was named in Ireland's Women's Twenty20 International (WT20I) squad for their series against the West Indies. She made her WT20I debut for Ireland against the West Indies on 26 May 2019.