Lonergan (surname)
Lonergan is a surname. Notable people with the surname include:
- Andrew Lonergan, English football player
- Arthur Lonergan, American art director
- Augustine Lonergan, American politician from Connecticut
- Bernard Lonergan,, Canadian Jesuit priest, philosopher-theologian, economist
- Dan Lonergan, Australian sports commentator and writer
- Dean Lonergan, New Zealand rugby league player and events promoter
- Dylan Lonergan, American football player
- Frank J. Lonergan, American politician and judge from Oregon
- Jennifer Lonergan, Canadian educator and nonprofit business executive
- John Lonergan, American Civil War army officer
- John Lonergan (artist), American visual artist
- Julia Lonergan, Australian judge
- Kate Lonergan, English actress
- Kenneth Lonergan, American playwright, screenwriter, and director
- Lenore Lonergan, actress
- Lloyd Lonergan, American scenario and screenwriter
- Mike Lonergan, American basketball player and coach
- Richard Lonergan, American underworld figure and labor racketeer
- Sam Lonergan, Australian football player and coach
- Tom Lonergan (Australian footballer), Australian footballer
- Tom and Eileen Lonergan, Peace Corps volunteers who went missing in 1998, presumed dead
- Walter Lonergan, American baseball player