Trembley is a surname. Notable people with the surname include:
Abraham Trembley (1710–1784), Genevan naturalist Dave Trembley (born 1951), American professional baseball executive Jean Trembley (1749–1811), Genevan mathematician John Trembley (born 1952), American swimmer and college swimming head coach Nicolas Trembley (born 1965), Paris- and Geneva-based curator, art critic, art advisor and writer William B. Trembley (1877–1952), United States Army soldier awarded the Medal of Honor
See also Tremblay (disambiguation)