Daniel O'Connor JP (13 September 1844 – 24 January 1914) was an Irish-born politician and businessman active in colonial-era New South Wales.

The younger O'Connor joined his father working in a butcher's shop after only a brief education.

Eventually as a teenager he studied literature at the Sydney School of Arts and later at the City College.

[1] O'Connor was elected to the West Sydney electorate of the New South Wales Legislative Assembly in 1877.

He was reappointed in 1895,[6][7] serving until his resignation in July 1898 when he attempted to regain a seat in the Legislative Assembly switching to Edmund Barton's National Federal Party.

[1][2] After leaving Parliament O'Connor embarked on a world tour, visiting England and Ireland before heading to the United States.