| Office: | Lord Mayor of Dublin |
| Term Start: | 1911 |
| Term End: | 1912 |
| Predecessor: | Michael Doyle |
| Successor: | Lorcan Sherlock |
| Birth Date: | c. 1871 |
| Birth Place: | County Wicklow, Ireland |
| Death Place: | Dublin, Ireland |
| Nationality: | Irish |
| Children: | 6 |
John Joseph Farrell (1871 – 31 May 1854)[1] was an Irish businessman and politician. He was a member of Dublin Corporation, and served as Lord Mayor of Dublin from 1911 to 1912.[2] He as a member of the Irish Parliamentary Party.
Farrell is recorded in the 1911 census of Ireland, when he was Lord Mayor of Dublin and living in the Mansion House.[3] He married Mary Josephine in 1898; and they had six children.[3]
He had business interests in several cinemas in Dublin, and was the managing director of the Irish Kinematograph Company.[4] In 1917, he claimed £77 10s for damage caused by gunfire during the 1916 Easter Rising to a building owned by the Irish Kinematograph Company in O'Connell Street. The Property Losses Committee recommended a payment of £20.[5]
On 10 February 1920, his home in Drumcondra was raided by British forces, under the DORA act.[6]