John Eccles (c. 1668–1735) was an English composer and musician, primarily known for his contributions to the Baroque music period. Active during the late 17th and early 18th centuries, Eccles was renowned for his work in opera and vocal music, serving as a composer for the theatre. His most notable works include the operas "The Judgment of Paris" and "Semele," both of which showcased his skill in blending dramatic narrative with musical expression. Eccles was also known for his collaborations with prominent playwrights of his time, including John Dryden, which helped elevate the role of music in English theatrical productions. He composed numerous songs and incidental music, contributing to the development of English opera and the integration of music into drama. His impact on music is reflected in his ability to bridge the gap between the English musical traditions and the influences of continental Baroque styles. Eccles's works laid the groundwork for future generations of English composers, influencing the evolution of opera in England. While he may not be as widely recognized today, his contributions were significant in shaping the direction of early English music.