Katrina Hodgkinson National Steph Cooke National A by-election was held in the state electoral district of Cootamundra on 14 October 2017.

The by-election was triggered by the resignation of Katrina Hodgkinson (National).

[1] The by-election was won by Steph Cooke for the National Party on preferences.

The Nationals suffered a 20% swing on first preference votes and 10% on a two-party basis.

The candidates in ballot paper order are as follows:[2]