Margaret Ruth Bhatty (née Grundy, 5 October 1930 – 20 July 2012) was an Indian schoolteacher, freelance journalist and writer of children's books and short stories for adults.

Margaret Ruth Bhatty was born on 5 October 1930 to Mark Vernon Grundy and Pansy Gunasekra in Berinag, which is currently part of the Indian state of Uttarakhand.

She spent her childhood in Berinag, fishing, hunting and trekking in the Kumaon region.

She was a regular contributor to the popular children's magazine Target and English-language newspapers in India, and was also published in magazines of humanist and secular organizations in India, Australia, New Zealand, the USA and on the internet.

In 1995, she won the BBC World Service International Drama Contest for her radio play on communal violence, My Enemy, My Friend.