Alexander Devine (19 December 1865 — 26 December 1930), often known as Lex Devine, was a British educator and activist for Montenegrin independence. He became involved in social work at an early point, founding the Lads' Club Movement in 1887. He was an advocate for public school reform, and, in 1895, founded Clayesmore School in Middlesex. He was a special correspondent for the Daily Chronicle covering the 1906 Summer Olympics in Athens, and the First Balkan War.