The 1869 City of Dunedin by-election was a by-election held on 5 March 1869 in the City of Dunedin electorate in Dunedin during the 4th New Zealand Parliament.
The by-election was caused by the resignation of the incumbent, James Paterson.
The winner was Thomas Birch.
He was opposed by James Gordon Stuart Grant, a local eccentric and frequent candidate.
This New Zealand election-related article is a stub.