John Lacey is the name of:
John Lacey (artist), American woodcarver John Lacey (general) (1755–1814), American military officer during the American Revolutionary War John Lacey (rugby union) (born 1973), Irish rugby union player and referee John F. Lacey (1841–1913), American politician John Hubert Lacey (born 1944), British psychiatrist John W. Lacey (1848–1936), Chief Justice of Wyoming
See also John Lacy (disambiguation)