Gladys Emma Peto (19 June 1890 – 21 May 1977) was an English artist, fashion designer, illustrator and writer of children's books.

She devoted her remaining years to painting landscapes in watercolors and to drawing and cultivating flowers.

Peto's advertising illustrations for Allen and Hanbury's infant formula, Ovaltine and many other products were featured in magazines and posters.

[6] In 1922, she married Dr Cuthbert Lindsay Emmerson of the Royal Army Medical Corps, and she traveled with him to Malta, Cyprus and Egypt.

The funeral service was held on 25 May 1977 at Bovevagh Parish Church, County Londonderry, followed by interment in the churchyard.