Dervilla Maura Xavier Donnelly (1930 – 14 November 2024) was an Irish chemist who was Professor of Phytochemistry at University College Dublin.

She was the first woman to receive the Cunningham Medal from the Royal Irish Academy and was recognised by WITS (Women in Technology and Science) with their inaugural Lifetime Achievement award.

[7] In December 1989, Dervilla Donnelly was elected the first woman President of the Royal Dublin Society, a position she held for three years.

[9] In 1995, she was appointed chair of the council of the Dublin Institute for Advanced Studies, by Niamh Bhreathneach who was Minister for Education at the time.

[16] The Women in Science and Technology (WITS) inaugural Lifetime Achievement award was presented to Professor Donnelly in June 2011.