Nannie Florence Dryhurst (born Hannah Anne Robinson; 17 June 1856 – 1930) was an Irish writer, translator, activist and nationalist.

After the death of her own father Dryhurst took a position as a governess as she spoke fluent French, German and Irish as well as having considerable skill as an artist.

In 1882 she became engaged to British Museum official Alfred Robert Dryhurst and married him in August 1884.

Dryhurst spent time teaching with Wilson, Agnes Henry, and Cyril Bell at the International Anarchist School set up in Fitzroy Square in London by Louise Michel.

She became secretary of the Nationalities and Subject Races Committee and used her writing in working towards Irish Independence.

[1][8][9][10][11] After the executions of 15 leaders of the Easter Rising in Dublin, Dryhurst spent her time campaigning unsuccessfully for the reprieve of Roger Casement.

Dryhurst was a neighbour of Martin Shaw and on her suggestion he founded the Purcell Operatic Society in 1899.