John Boylan may refer to:

• John Boylan (American actor) (1912–1994), American film, television and stage actor
• John Boylan (Canadian actor), Canadian film and television actor
• John Boylan (record producer) (born 1941), American music producer and songwriter
• John H. Boylan (1907–1981), Vermont politician
• John J. Boylan (1878–1938), US Congressman
• John Joseph Boylan (bishop) (1889–1953), third Roman Catholic Bishop of Rockford, Illinois