A by-election was held for the New South Wales Legislative Assembly electorate of Queanbeyan on 13 April 1910. The by-election was triggered by the resignation of Granville Ryrie () to unsuccessfully contest the 1910 federal election for Werriwa.
The by-election and those for Darling Harbour and Upper Hunter were held on the same day as the 1910 Federal election.
<includeonly> Granville Ryrie () resigned to unsuccessfully contest the 1910 federal election for Werriwa.</includeonly>