Gertrude Mary Ansell (2 June 1861 – 7 March 1932) was a British suffragette, animal welfare activist and businesswoman.

Ansell took part in the 'Mud March' of 9 February 1907 to Hyde Park at a time when 4000 people, both suffragists in NUWSS and more militant suffragettes in WSPU listened to Millicent Fawcett and many were less sympathetic to Keir Hardie speak up for a 'fighting brigade' to achieve female suffrage.

[2] On 13 October 1908, she was arrested after taking part in a WSPU "raid" on the House of Commons and was sentenced to one month's imprisonment in Holloway Prison.

[1] On 12 May 1914, she smashed Hubert von Herkomer's portrait of the Duke of Wellington in the Royal Academy[3] with an axe, causing £15 worth of damage.

[1] Ansell was given a WSPU Hunger Strike Medal, [citation needed] the citation engraved on the bar is 'For Valour' and the inscription says"PRESENTED BY THE WOMEN'S SOCIAL AND POLITICAL UNION IN RECOGNITION OF A GALLANT ACTION, WHEREBY THROUGH ENDURANCE TO THE LAST EXTREMITY OF HUNGER AND HARDSHIP A GREAT PRINCIPLE OF POLITICAL JUSTICE WAS VINDICATED.