Lonergan (surname)
Lonergan is the surname of the following persons:
- Arthur Lonergan (1906-1989), American art director
- Augustine Lonergan (1874-1947), American politician
- Bernard Lonergan (1904-1984), Canadian theologian and philosopher of religion
- John Joseph Lonergan (1888-1938), Australian Priest
- Kenneth Lonergan (born 1962 ), American screenwriter and film director
- Disambiguation