Kenneally is a surname. Notable people with the surname include:
William Kenneally, Irish politician
Billy Kenneally, his son, also an Irish politician
Brendan Kenneally, his son, also an Irish politician
Christy Kenneally (born 1948), Irish author
Dean Kenneally, Australian physiotherapist
James Jerome Kenneally, Australian author
John Patrick Kenneally (born Leslie Robinson), Victoria Cross recipient
Christine Kenneally, Australian-American journalist
Miranda Kenneally, American novelist
John Kenneally (hurler), Irish hurler
Keneally is a variant spelling, as is Kennealy:
Thomas Keneally, Australian novelist
Mike Keneally, American musician
Kristina Keneally, Australian politician
William Kenealy, Irish recipient of the Victoria Cross
Patricia Kennealy-Morrison, American novelist, former rock critic
Gavin Keneally, Australian politician