Elizabeth Jamaux Curnow (née Le Cren; 31 October 1911 – 24 September 2005), commonly known as Betty Curnow, was a New Zealand artist.

Born in Timaru, New Zealand, Curnow was the daughter of Charles John Le Cren and Daisy Le Cren (née Roberts). Daisy was also an artist, painting watercolours.^[1] She married Allen Curnow at St Mary's Church, Timaru, on 26 August 1936.^[2] The marriage was dissolved in 1965, but they had a daughter and two sons, one of whom is New Zealand poet and art critic Wystan Curnow.^[3] Curnow died in Geraldine, New Zealand, in 2005.^[4][5]

Curnow was a painter and printmaker. She exhibited with the New Zealand Academy of Fine Arts,^[6][7] and 'The Group'^[8] in 1964^[9]

She is depicted in her close friend Rita Angus' painting, Portrait of Betty Curnow.^[10][11] Curnow and Angus collaborated on the painting, selected clothing and objects that would best symbolise the threads of Curnow's life as a daughter, wife and mother.^[12] The work also inspired Louise Henderson's Portrait of Betty Curnow.^[13]

Works by Curnow are held in the Auckland Art Gallery Toi o Tāmaki.^[5]