Hilda Gertrude Cowham (29 July 1873 – 28 September 1964) was an English illustrator, famous for her work on children's books and ceramic nurseryware.

Hilda Cowham was born at the Wesleyan Training College on Horseferry Road in Westminster on 29 July 1873.

[4] She illustrated children's books, such as Fiddlesticks (1900), Peter Pickle and his dog Fido (1906), Curly Heads and Long Legs (1914), and Blacklegs and Others (1911).

One of her characters, a "bush haired, black stockinged imp with big sash bow and infinitesimal petticoats", became famous as the "Cowham child" and was widely imitated.

[6] In the period 1924 to 1935, she and her friend Mabel Lucie Attwell were employed by Shelley Potteries Ltd to provide illustrations for baby's plate and nurseryware.