William Lynn

William Lynn may refer to:

Bill Lynn, American baseball player
Billy Lynn, former English professional footballer
William Henry Lynn, Irish-born architect
Msgr. William J. Lynn, Roman Catholic official on trial in 2012 in a conspiracy and endangerment/child sex abuse case in Philadelphia
William J. Lynn III, Deputy Secretary of Defense of the United States of America
William Harkins Lynn, American actor who played Judge Gaffney in Harvey
William Michael Lynn, professor at Cornell University's School of Hotel Administration