The 1869 Waikouaiti by-election was a by-election held on 27 April 1869 in the Waikouaiti electorate during the 4th New Zealand Parliament.
The by-election was caused by the resignation of the incumbent MP Robert Mitchell.
The by-election was won by Francis Rich.
As there were no other nominations, he was duly declared elected.
This New Zealand election-related article is a stub.