Rose Mary Crawshay (1828–1907) was born Rose Mary Yeates in Berkshire in England.
She married Robert Thompson Crawshay in 1846 who was last of the Merthyr Tydfil ironmasters, and became the mistress of Cyfarthfa Castle.
She created the Byron, Shelley, Keats In Memoriam Prize Fund in 1888, stated by the British Academy to be the only UK literary prize for female scholars.
A philanthropist, she paid for part of Vaynor and Penderyn High School in ~1861.