Isabella Kerr (née Gunn; 30 May 1875 – 12 January 1932) was a Scottish medical missionary who worked in India in the early 20th-century.

[3] At their mission, Kerr and her husband worked on unrelated tasks,[3] but they both realised that the treatment of patients with leprosy was inadequate.

In 1911, Kerr opened a leprosy centre at the mission in Nizamabad, Telangana, but in time, it attracted more patients than it could accommodate.

With financial assistance from Raja Narsa Goud (Narsagoud), a Hindu philanthropist, who helped them receive a donation from the Nizam of Hyderabad, Mir Osman Ali Khan, the last local ruler,[4] to help build the Victoria Treatment Hospital on land the ruler donated at Dichpali, and in 1915, this larger and more permanent facility opened.

In her obituary it was said that 'Her medical skill and her devotion to the cause of the leper, together with her modest reserve and womanly charm, won her innumerable friends both in India and at home.