Elliot Caplin (December 25, 1913 – February 20, 2000) was an American comic strip writer best known as the co-creator (with Stan Drake) of The Heart of Juliet Jones.

By 1940, he was the editorial director of magazine Parents, leaving during World War II to serve with the Navy in the South Pacific.

[citation needed] He adapted author Donald J. Sobol's Encyclopedia Brown series into a comic strip.

Directed by Paul E. Davis, it had a 1974 workshop production for several weekends at the Cricket Theatre on Second Avenue in an effort to interest potential backers.

Caplin lived in Larchmont, New York, with his wife Ruth and their three children, Donald, Joan, and Toby.