Sophia McIlvaine Herrick (née Bledsoe; March 26, 1837 – October 9, 1919) was an American science writer, editor, and literary critic.
She joined her father in Baltimore, contributing to the Southern Review and beginning a school for girls.
She pursued an early interest in evolutionary theory by studying biology at Johns Hopkins University and published scientific articles in Century and Scribner's Magazine for a general audience.
She became a frequent contributor of articles, writing as Mrs S. B. Herrick, and was for a time assistant editor to Richard Watson Gilder at Century.
Sophia Bledsoe Herrick died on October 9, 1919, in Greenwich, Connecticut, aged 82.