Elderkin is a surname. Notable persons with the surname include:
Angus Elderkin (1896 – c. 1985), Canadian politician
Edward Elderkin, builder of Edward Elderkin House
Mark Elderkin (born 1963), American entrepreneur
Nabil Elderkin, Australian photographer
Noble S. Elderkin (1810–1875), American politician
Paul Elderkin (born 1987), English basketball player
Susan Elderkin (born 1968), English author
Thomas Elderkin (1909–1961), English cricketer
