Catherine Alice Raisin (24 April 1855 – 13 July 1945) was one of the most important early female geologist in Britain whose research was primarily in the field of microscopic petrology and mineralogy.
She was the head of the geology department at Bedford College for Women, in London for 30 years, and strived for women equality in education.
Raisin was the first woman in Britain to be an academic head of any geology department.
She was also the head of the botany department at the Bedford College for Women.